diff --git a/Emby.Server.Implementations/FileOrganization/EpisodeFileOrganizer.cs b/Emby.Server.Implementations/FileOrganization/EpisodeFileOrganizer.cs
index 0a9c67285b..7b64c582a7 100644
--- a/Emby.Server.Implementations/FileOrganization/EpisodeFileOrganizer.cs
+++ b/Emby.Server.Implementations/FileOrganization/EpisodeFileOrganizer.cs
@@ -470,7 +470,7 @@ namespace Emby.Server.Implementations.FileOrganization
                 return new List<string>();
             }
 
-            var episodePaths = series.GetRecursiveChildren()
+            var episodePaths = series.GetRecursiveChildren(i => i is Episode)
                 .OfType<Episode>()
                 .Where(i =>
                 {
diff --git a/Emby.Server.Implementations/Library/MusicManager.cs b/Emby.Server.Implementations/Library/MusicManager.cs
index 9d07837c69..b15c011254 100644
--- a/Emby.Server.Implementations/Library/MusicManager.cs
+++ b/Emby.Server.Implementations/Library/MusicManager.cs
@@ -5,6 +5,7 @@ using MediaBrowser.Controller.Playlists;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using MediaBrowser.Model.Querying;
 
 namespace Emby.Server.Implementations.Library
 {
@@ -27,53 +28,17 @@ namespace Emby.Server.Implementations.Library
             return list.Concat(GetInstantMixFromGenres(item.Genres, user));
         }
 
-        public IEnumerable<Audio> GetInstantMixFromArtist(MusicArtist artist, User user)
+        public IEnumerable<Audio> GetInstantMixFromArtist(MusicArtist item, User user)
         {
-            var genres = user.RootFolder
-                .GetRecursiveChildren(user, new InternalItemsQuery(user)
-                {
-                    IncludeItemTypes = new[] { typeof(Audio).Name }
-                })
-                .Cast<Audio>()
-                .Where(i => i.HasAnyArtist(artist.Name))
-                .SelectMany(i => i.Genres)
-                .Concat(artist.Genres)
-                .Distinct(StringComparer.OrdinalIgnoreCase);
-
-            return GetInstantMixFromGenres(genres, user);
+            return GetInstantMixFromGenres(item.Genres, user);
         }
 
         public IEnumerable<Audio> GetInstantMixFromAlbum(MusicAlbum item, User user)
         {
-            var genres = item
-                .GetRecursiveChildren(user, new InternalItemsQuery(user)
-                {
-                    IncludeItemTypes = new[] { typeof(Audio).Name }
-                })
-               .Cast<Audio>()
-               .SelectMany(i => i.Genres)
-               .Concat(item.Genres)
-               .DistinctNames();
-
-            return GetInstantMixFromGenres(genres, user);
+            return GetInstantMixFromGenres(item.Genres, user);
         }
 
         public IEnumerable<Audio> GetInstantMixFromFolder(Folder item, User user)
-        {
-            var genres = item
-               .GetRecursiveChildren(user, new InternalItemsQuery(user)
-               {
-                   IncludeItemTypes = new[] {typeof(Audio).Name}
-               })
-               .Cast<Audio>()
-               .SelectMany(i => i.Genres)
-               .Concat(item.Genres)
-               .DistinctNames();
-
-            return GetInstantMixFromGenres(genres, user);
-        }
-
-        public IEnumerable<Audio> GetInstantMixFromPlaylist(Playlist item, User user)
         {
             var genres = item
                .GetRecursiveChildren(user, new InternalItemsQuery(user)
@@ -88,28 +53,42 @@ namespace Emby.Server.Implementations.Library
             return GetInstantMixFromGenres(genres, user);
         }
 
+        public IEnumerable<Audio> GetInstantMixFromPlaylist(Playlist item, User user)
+        {
+            return GetInstantMixFromGenres(item.Genres, user);
+        }
+
         public IEnumerable<Audio> GetInstantMixFromGenres(IEnumerable<string> genres, User user)
         {
-            var genreList = genres.ToList();
+            var genreIds = genres.DistinctNames().Select(i =>
+            {
+                try
+                {
+                    return _libraryManager.GetMusicGenre(i).Id.ToString("N");
+                }
+                catch
+                {
+                    return null;
+                }
 
-            var inputItems = _libraryManager.GetItemList(new InternalItemsQuery(user)
+            }).Where(i => i != null);
+
+            return GetInstantMixFromGenreIds(genreIds, user);
+        }
+
+        public IEnumerable<Audio> GetInstantMixFromGenreIds(IEnumerable<string> genreIds, User user)
+        {
+            return _libraryManager.GetItemList(new InternalItemsQuery(user)
             {
                 IncludeItemTypes = new[] { typeof(Audio).Name },
 
-                Genres = genreList.ToArray()
+                GenreIds = genreIds.ToArray(),
 
-            });
+                Limit = 200,
 
-            var genresDictionary = genreList.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
+                SortBy = new[] { ItemSortBy.Random }
 
-            return inputItems
-                .Cast<Audio>()
-                .Select(i => new Tuple<Audio, int>(i, i.Genres.Count(genresDictionary.ContainsKey)))
-                .OrderByDescending(i => i.Item2)
-                .ThenBy(i => Guid.NewGuid())
-                .Select(i => i.Item1)
-                .Take(200)
-                .OrderBy(i => Guid.NewGuid());
+            }).Cast<Audio>();
         }
 
         public IEnumerable<Audio> GetInstantMixFromItem(BaseItem item, User user)
@@ -117,7 +96,7 @@ namespace Emby.Server.Implementations.Library
             var genre = item as MusicGenre;
             if (genre != null)
             {
-                return GetInstantMixFromGenres(new[] { item.Name }, user);
+                return GetInstantMixFromGenreIds(new[] { item.Id.ToString("N") }, user);
             }
 
             var playlist = item as Playlist;
diff --git a/Emby.Server.Implementations/Logging/UnhandledExceptionWriter.cs b/Emby.Server.Implementations/Logging/UnhandledExceptionWriter.cs
index 5183f3a0b6..6e96d83fd3 100644
--- a/Emby.Server.Implementations/Logging/UnhandledExceptionWriter.cs
+++ b/Emby.Server.Implementations/Logging/UnhandledExceptionWriter.cs
@@ -35,9 +35,11 @@ namespace Emby.Server.Implementations.Logging
 
             // Write to console just in case file logging fails
             _console.WriteLine("UnhandledException");
-            _console.WriteLine(builder.ToString());
 
-            _fileSystem.WriteAllText(path, builder.ToString());
+            var logMessage = builder.ToString();
+            _console.WriteLine(logMessage);
+
+            _fileSystem.WriteAllText(path, logMessage);
         }
     }
 }
diff --git a/MediaBrowser.Api/Playback/BaseStreamingService.cs b/MediaBrowser.Api/Playback/BaseStreamingService.cs
index 699c4bbb2f..6935073a95 100644
--- a/MediaBrowser.Api/Playback/BaseStreamingService.cs
+++ b/MediaBrowser.Api/Playback/BaseStreamingService.cs
@@ -720,6 +720,13 @@ namespace MediaBrowser.Api.Playback
 
             state.IsInputVideo = string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase);
 
+            var primaryImage = item.GetImageInfo(ImageType.Primary, 0) ??
+                         item.Parents.Select(i => i.GetImageInfo(ImageType.Primary, 0)).FirstOrDefault(i => i != null);
+            if (primaryImage != null)
+            {
+                state.AlbumCoverPath = primaryImage.Path;
+            }
+
             MediaSourceInfo mediaSource = null;
             if (string.IsNullOrWhiteSpace(request.LiveStreamId))
             {
diff --git a/MediaBrowser.Api/Playback/Hls/HlsSegmentService.cs b/MediaBrowser.Api/Playback/Hls/HlsSegmentService.cs
index 95109a07f0..0ff52e63f5 100644
--- a/MediaBrowser.Api/Playback/Hls/HlsSegmentService.cs
+++ b/MediaBrowser.Api/Playback/Hls/HlsSegmentService.cs
@@ -15,6 +15,8 @@ namespace MediaBrowser.Api.Playback.Hls
     /// <summary>
     /// Class GetHlsAudioSegment
     /// </summary>
+    // Can't require authentication just yet due to seeing some requests come from Chrome without full query string
+    //[Authenticated]
     [Route("/Audio/{Id}/hls/{SegmentId}/stream.mp3", "GET")]
     [Route("/Audio/{Id}/hls/{SegmentId}/stream.aac", "GET")]
     public class GetHlsAudioSegmentLegacy
@@ -38,6 +40,7 @@ namespace MediaBrowser.Api.Playback.Hls
     /// Class GetHlsVideoSegment
     /// </summary>
     [Route("/Videos/{Id}/hls/{PlaylistId}/stream.m3u8", "GET")]
+    [Authenticated]
     public class GetHlsPlaylistLegacy
     {
         // TODO: Deprecate with new iOS app
@@ -52,6 +55,7 @@ namespace MediaBrowser.Api.Playback.Hls
     }
 
     [Route("/Videos/ActiveEncodings", "DELETE")]
+    [Authenticated]
     public class StopEncodingProcess
     {
         [ApiMember(Name = "DeviceId", Description = "The device id of the client requesting. Used to stop encoding processes when needed.", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "DELETE")]
@@ -64,6 +68,8 @@ namespace MediaBrowser.Api.Playback.Hls
     /// <summary>
     /// Class GetHlsVideoSegment
     /// </summary>
+    // Can't require authentication just yet due to seeing some requests come from Chrome without full query string
+    //[Authenticated]
     [Route("/Videos/{Id}/hls/{PlaylistId}/{SegmentId}.{SegmentContainer}", "GET")]
     public class GetHlsVideoSegmentLegacy : VideoStreamRequest
     {
@@ -76,7 +82,6 @@ namespace MediaBrowser.Api.Playback.Hls
         public string SegmentId { get; set; }
     }
 
-    [Authenticated]
     public class HlsSegmentService : BaseApiService
     {
         private readonly IServerApplicationPaths _appPaths;
diff --git a/MediaBrowser.Api/Playback/Progressive/AudioService.cs b/MediaBrowser.Api/Playback/Progressive/AudioService.cs
index a64523e40f..f0386d5ba1 100644
--- a/MediaBrowser.Api/Playback/Progressive/AudioService.cs
+++ b/MediaBrowser.Api/Playback/Progressive/AudioService.cs
@@ -59,42 +59,7 @@ namespace MediaBrowser.Api.Playback.Progressive
         {
             var encodingOptions = ApiEntryPoint.Instance.GetEncodingOptions();
 
-            var audioTranscodeParams = new List<string>();
-
-            var bitrate = state.OutputAudioBitrate;
-
-            if (bitrate.HasValue)
-            {
-                audioTranscodeParams.Add("-ab " + bitrate.Value.ToString(UsCulture));
-            }
-
-            if (state.OutputAudioChannels.HasValue)
-            {
-                audioTranscodeParams.Add("-ac " + state.OutputAudioChannels.Value.ToString(UsCulture));
-            }
-
-            // opus will fail on 44100
-            if (!string.Equals(state.OutputAudioCodec, "opus", global::System.StringComparison.OrdinalIgnoreCase))
-            {
-                if (state.OutputAudioSampleRate.HasValue)
-                {
-                    audioTranscodeParams.Add("-ar " + state.OutputAudioSampleRate.Value.ToString(UsCulture));
-                }
-            }
-
-            const string vn = " -vn";
-
-            var threads = EncodingHelper.GetNumberOfThreads(state, encodingOptions, false);
-
-            var inputModifier = EncodingHelper.GetInputModifier(state, encodingOptions);
-
-            return string.Format("{0} {1} -threads {2}{3} {4} -id3v2_version 3 -write_id3v1 1 -y \"{5}\"",
-                inputModifier,
-                EncodingHelper.GetInputArgument(state, encodingOptions),
-                threads,
-                vn,
-                string.Join(" ", audioTranscodeParams.ToArray()),
-                outputPath).Trim();
+            return EncodingHelper.GetProgressiveAudioFullCommandLine(state, encodingOptions, outputPath);
         }
 
         public AudioService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IFileSystem fileSystem, IDlnaManager dlnaManager, ISubtitleEncoder subtitleEncoder, IDeviceManager deviceManager, IMediaSourceManager mediaSourceManager, IZipClient zipClient, IJsonSerializer jsonSerializer, IAuthorizationContext authorizationContext, IImageProcessor imageProcessor) : base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, fileSystem, dlnaManager, subtitleEncoder, deviceManager, mediaSourceManager, zipClient, jsonSerializer, authorizationContext, imageProcessor)
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs b/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
index e26e0dfce3..2f99e530e3 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
@@ -112,7 +112,7 @@ namespace MediaBrowser.Controller.Entities.Audio
 
         public IEnumerable<BaseItem> GetTaggedItems(InternalItemsQuery query)
         {
-            query.Genres = new[] { Name };
+            query.GenreIds = new[] { Id.ToString("N") };
             query.IncludeItemTypes = new[] { typeof(MusicVideo).Name, typeof(Audio).Name, typeof(MusicAlbum).Name, typeof(MusicArtist).Name };
 
             return LibraryManager.GetItemList(query);
diff --git a/MediaBrowser.Controller/Entities/GameGenre.cs b/MediaBrowser.Controller/Entities/GameGenre.cs
index 4187167b95..093b191b6b 100644
--- a/MediaBrowser.Controller/Entities/GameGenre.cs
+++ b/MediaBrowser.Controller/Entities/GameGenre.cs
@@ -81,7 +81,7 @@ namespace MediaBrowser.Controller.Entities
 
         public IEnumerable<BaseItem> GetTaggedItems(InternalItemsQuery query)
         {
-            query.Genres = new[] { Name };
+            query.GenreIds = new[] { Id.ToString("N") };
             query.IncludeItemTypes = new[] { typeof(Game).Name };
 
             return LibraryManager.GetItemList(query);
diff --git a/MediaBrowser.Controller/Entities/Genre.cs b/MediaBrowser.Controller/Entities/Genre.cs
index 9769efdd01..6569a1e6c0 100644
--- a/MediaBrowser.Controller/Entities/Genre.cs
+++ b/MediaBrowser.Controller/Entities/Genre.cs
@@ -93,7 +93,7 @@ namespace MediaBrowser.Controller.Entities
 
         public IEnumerable<BaseItem> GetTaggedItems(InternalItemsQuery query)
         {
-            query.Genres = new[] { Name };
+            query.GenreIds = new[] { Id.ToString("N") };
             query.ExcludeItemTypes = new[] { typeof(Game).Name, typeof(MusicVideo).Name, typeof(Audio.Audio).Name, typeof(MusicAlbum).Name, typeof(MusicArtist).Name };
 
             return LibraryManager.GetItemList(query);
diff --git a/MediaBrowser.Controller/Entities/Movies/BoxSet.cs b/MediaBrowser.Controller/Entities/Movies/BoxSet.cs
index 8ddf363277..3f733ce035 100644
--- a/MediaBrowser.Controller/Entities/Movies/BoxSet.cs
+++ b/MediaBrowser.Controller/Entities/Movies/BoxSet.cs
@@ -152,9 +152,7 @@ namespace MediaBrowser.Controller.Entities.Movies
             var currentOfficialRating = OfficialRating;
 
             // Gather all possible ratings
-            var ratings = GetRecursiveChildren()
-                .Concat(GetLinkedChildren())
-                .Where(i => i is Movie || i is Series || i is MusicAlbum || i is Game)
+            var ratings = GetRecursiveChildren(i => i is Movie || i is Series || i is MusicAlbum || i is Game)
                 .Select(i => i.OfficialRating)
                 .Where(i => !string.IsNullOrEmpty(i))
                 .Distinct(StringComparer.OrdinalIgnoreCase)
diff --git a/MediaBrowser.Controller/Entities/UserViewBuilder.cs b/MediaBrowser.Controller/Entities/UserViewBuilder.cs
index f879d0fd8f..8da069f62b 100644
--- a/MediaBrowser.Controller/Entities/UserViewBuilder.cs
+++ b/MediaBrowser.Controller/Entities/UserViewBuilder.cs
@@ -586,7 +586,7 @@ namespace MediaBrowser.Controller.Entities
         {
             query.Recursive = true;
             query.ParentId = queryParent.Id;
-            query.Genres = new[] { displayParent.Name };
+            query.GenreIds = new[] { displayParent.Id.ToString("N") };
             query.SetUser(user);
 
             query.IncludeItemTypes = new[] { typeof(Movie).Name };
@@ -729,7 +729,7 @@ namespace MediaBrowser.Controller.Entities
         {
             query.Recursive = true;
             query.ParentId = queryParent.Id;
-            query.Genres = new[] { displayParent.Name };
+            query.GenreIds = new[] { displayParent.Id.ToString("N") };
             query.SetUser(user);
 
             query.IncludeItemTypes = new[] { typeof(Series).Name };
@@ -905,6 +905,11 @@ namespace MediaBrowser.Controller.Entities
                 return false;
             }
 
+            if (request.GenreIds.Length > 0)
+            {
+                return false;
+            }
+
             if (request.HasImdbId.HasValue)
             {
                 return false;
@@ -1768,26 +1773,6 @@ namespace MediaBrowser.Controller.Entities
             return new List<Folder> { parent };
         }
 
-        private IEnumerable<BaseItem> GetRecursiveChildren(Folder parent, User user, IEnumerable<string> viewTypes)
-        {
-            if (parent == null || parent is UserView)
-            {
-                if (user == null)
-                {
-                    return GetMediaFolders(null, viewTypes).SelectMany(i => i.GetRecursiveChildren());
-                }
-
-                return GetMediaFolders(user, viewTypes).SelectMany(i => i.GetRecursiveChildren(user));
-            }
-
-            if (user == null)
-            {
-                return parent.GetRecursiveChildren();
-            }
-
-            return parent.GetRecursiveChildren(user);
-        }
-
         private async Task<QueryResult<BaseItem>> GetLiveTvView(Folder queryParent, User user, InternalItemsQuery query)
         {
             if (query.Recursive)
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index 2441ee0ec9..3824813f11 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -1979,5 +1979,66 @@ namespace MediaBrowser.Controller.MediaEncoding
 
             return args;
         }
+
+        public string GetProgressiveAudioFullCommandLine(EncodingJobInfo state, EncodingOptions encodingOptions, string outputPath)
+        {
+            var audioTranscodeParams = new List<string>();
+
+            var bitrate = state.OutputAudioBitrate;
+
+            if (bitrate.HasValue)
+            {
+                audioTranscodeParams.Add("-ab " + bitrate.Value.ToString(_usCulture));
+            }
+
+            if (state.OutputAudioChannels.HasValue)
+            {
+                audioTranscodeParams.Add("-ac " + state.OutputAudioChannels.Value.ToString(_usCulture));
+            }
+
+            // opus will fail on 44100
+            if (!string.Equals(state.OutputAudioCodec, "opus", StringComparison.OrdinalIgnoreCase))
+            {
+                if (state.OutputAudioSampleRate.HasValue)
+                {
+                    audioTranscodeParams.Add("-ar " + state.OutputAudioSampleRate.Value.ToString(_usCulture));
+                }
+            }
+
+            var albumCoverInput = string.Empty;
+            var mapArgs = string.Empty;
+            var metadata = string.Empty;
+            var vn = string.Empty;
+
+            var hasArt = !string.IsNullOrWhiteSpace(state.AlbumCoverPath);
+            hasArt = false;
+
+            if (hasArt)
+            {
+                albumCoverInput = " -i \"" + state.AlbumCoverPath + "\"";
+                mapArgs = " -map 0:a -map 1:v -c:v copy";
+                metadata = " -metadata:s:v title=\"Album cover\" -metadata:s:v comment=\"Cover(Front)\"";
+            }
+            else
+            {
+                vn = " -vn";
+            }
+
+            var threads = GetNumberOfThreads(state, encodingOptions, false);
+
+            var inputModifier = GetInputModifier(state, encodingOptions);
+
+            return string.Format("{0} {1}{7}{8} -threads {2}{3} {4} -id3v2_version 3 -write_id3v1 1{6} -y \"{5}\"",
+                inputModifier,
+                GetInputArgument(state, encodingOptions),
+                threads,
+                vn,
+                string.Join(" ", audioTranscodeParams.ToArray()),
+                outputPath,
+                metadata,
+                albumCoverInput,
+                mapArgs).Trim();
+        }
+
     }
 }
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs b/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs
index f3e6280aaf..658608906f 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs
@@ -56,6 +56,8 @@ namespace MediaBrowser.Controller.MediaEncoding
             }
         }
 
+        public string AlbumCoverPath { get; set; }
+
         public string InputAudioSync { get; set; }
         public string InputVideoSync { get; set; }
         public TransportStreamTimestamp InputTimestamp { get; set; }
diff --git a/MediaBrowser.Controller/Playlists/Playlist.cs b/MediaBrowser.Controller/Playlists/Playlist.cs
index 0eb4353759..fb1410f4af 100644
--- a/MediaBrowser.Controller/Playlists/Playlist.cs
+++ b/MediaBrowser.Controller/Playlists/Playlist.cs
@@ -134,34 +134,27 @@ namespace MediaBrowser.Controller.Playlists
             var musicGenre = item as MusicGenre;
             if (musicGenre != null)
             {
-                var items = LibraryManager.GetItemList(new InternalItemsQuery(user)
+                return LibraryManager.GetItemList(new InternalItemsQuery(user)
                 {
                     Recursive = true,
                     IncludeItemTypes = new[] { typeof(Audio).Name },
-                    Genres = new[] { musicGenre.Name }
+                    GenreIds = new[] { musicGenre.Id.ToString("N") },
+                    SortBy = new[] { ItemSortBy.AlbumArtist, ItemSortBy.Album, ItemSortBy.SortName },
+                    SortOrder = SortOrder.Ascending
                 });
-
-                return LibraryManager.Sort(items, user, new[] { ItemSortBy.AlbumArtist, ItemSortBy.Album, ItemSortBy.SortName }, SortOrder.Ascending);
             }
 
             var musicArtist = item as MusicArtist;
             if (musicArtist != null)
             {
-                Func<BaseItem, bool> filter = i =>
+                return LibraryManager.GetItemList(new InternalItemsQuery(user)
                 {
-                    var audio = i as Audio;
-                    return audio != null && audio.HasAnyArtist(musicArtist.Name);
-                };
-
-                var items = user == null
-                    ? LibraryManager.RootFolder.GetRecursiveChildren(filter)
-                    : user.RootFolder.GetRecursiveChildren(user, new InternalItemsQuery(user)
-                    {
-                        IncludeItemTypes = new[] { typeof(Audio).Name },
-                        ArtistIds = new[] { musicArtist.Id.ToString("N") }
-                    });
-
-                return LibraryManager.Sort(items, user, new[] { ItemSortBy.AlbumArtist, ItemSortBy.Album, ItemSortBy.SortName }, SortOrder.Ascending);
+                    Recursive = true,
+                    IncludeItemTypes = new[] { typeof(Audio).Name },
+                    ArtistIds = new[] { musicArtist.Id.ToString("N") },
+                    SortBy = new[] { ItemSortBy.AlbumArtist, ItemSortBy.Album, ItemSortBy.SortName },
+                    SortOrder = SortOrder.Ascending
+                });
             }
 
             var folder = item as Folder;
diff --git a/MediaBrowser.MediaEncoding/Encoder/AudioEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/AudioEncoder.cs
index 05b3ca5fcf..566e7946d3 100644
--- a/MediaBrowser.MediaEncoding/Encoder/AudioEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/AudioEncoder.cs
@@ -5,8 +5,6 @@ using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Logging;
 using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
 using MediaBrowser.Model.Diagnostics;
 
 namespace MediaBrowser.MediaEncoding.Encoder
@@ -19,66 +17,9 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
         protected override string GetCommandLineArguments(EncodingJob state)
         {
-            var audioTranscodeParams = new List<string>();
-
-            var bitrate = state.OutputAudioBitrate;
-
-            if (bitrate.HasValue)
-            {
-                audioTranscodeParams.Add("-ab " + bitrate.Value.ToString(UsCulture));
-            }
-
-            if (state.OutputAudioChannels.HasValue)
-            {
-                audioTranscodeParams.Add("-ac " + state.OutputAudioChannels.Value.ToString(UsCulture));
-            }
-
-            // opus will fail on 44100
-            if (!string.Equals(state.OutputAudioCodec, "opus", StringComparison.OrdinalIgnoreCase))
-            {
-                if (state.OutputAudioSampleRate.HasValue)
-                {
-                    audioTranscodeParams.Add("-ar " + state.OutputAudioSampleRate.Value.ToString(UsCulture));
-                }
-            }
-
             var encodingOptions = GetEncodingOptions();
 
-            var threads = EncodingHelper.GetNumberOfThreads(state, encodingOptions, false);
-
-            var inputModifier = EncodingHelper.GetInputModifier(state, encodingOptions);
-
-            var albumCoverInput = string.Empty;
-            var mapArgs = string.Empty;
-            var metadata = string.Empty;
-            var vn = string.Empty;
-
-            var hasArt = !string.IsNullOrWhiteSpace(state.AlbumCoverPath);
-            hasArt = false;
-
-            if (hasArt)
-            {
-                albumCoverInput = " -i \"" + state.AlbumCoverPath + "\"";
-                mapArgs = " -map 0:a -map 1:v -c:v copy";
-                metadata = " -metadata:s:v title=\"Album cover\" -metadata:s:v comment=\"Cover(Front)\"";
-            }
-            else
-            {
-                vn = " -vn";
-            }
-
-            var result = string.Format("{0} {1}{6}{7} -threads {2}{3} {4} -id3v2_version 3 -write_id3v1 1{8} -y \"{5}\"",
-                inputModifier,
-                EncodingHelper.GetInputArgument(state, GetEncodingOptions()),
-                threads,
-                vn,
-                string.Join(" ", audioTranscodeParams.ToArray()),
-                state.OutputFilePath,
-                albumCoverInput,
-                mapArgs,
-                metadata).Trim();
-
-            return result;
+            return EncodingHelper.GetProgressiveAudioFullCommandLine(state, encodingOptions, state.OutputFilePath);
         }
 
         protected override string GetOutputFileExtension(EncodingJob state)
diff --git a/MediaBrowser.MediaEncoding/Encoder/EncodingJob.cs b/MediaBrowser.MediaEncoding/Encoder/EncodingJob.cs
index f74dbce985..9d518c431a 100644
--- a/MediaBrowser.MediaEncoding/Encoder/EncodingJob.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/EncodingJob.cs
@@ -41,8 +41,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
         public string ItemType { get; set; }
 
-        public string AlbumCoverPath { get; set; }
-
         public string GetMimeType(string outputPath)
         {
             if (!string.IsNullOrEmpty(MimeType))
diff --git a/MediaBrowser.Providers/Music/AlbumImageFromSongProvider.cs b/MediaBrowser.Providers/Music/AlbumImageFromSongProvider.cs
index 7abe9cc073..0cb1a7ff13 100644
--- a/MediaBrowser.Providers/Music/AlbumImageFromSongProvider.cs
+++ b/MediaBrowser.Providers/Music/AlbumImageFromSongProvider.cs
@@ -20,8 +20,7 @@ namespace MediaBrowser.Providers.Music
         {
             var album = (MusicAlbum)item;
 
-            var image = album.GetRecursiveChildren()
-                .OfType<Audio>()
+            var image = album.GetRecursiveChildren(i => !i.IsFolder)
                 .Select(i => i.GetImageInfo(type, 0))
                 .FirstOrDefault(i => i != null && i.IsLocalFile);
 
diff --git a/MediaBrowser.Providers/TV/DummySeasonProvider.cs b/MediaBrowser.Providers/TV/DummySeasonProvider.cs
index fd4d041b2b..36701a0bde 100644
--- a/MediaBrowser.Providers/TV/DummySeasonProvider.cs
+++ b/MediaBrowser.Providers/TV/DummySeasonProvider.cs
@@ -53,8 +53,8 @@ namespace MediaBrowser.Providers.TV
 
         private async Task<bool> AddDummySeasonFolders(Series series, CancellationToken cancellationToken)
         {
-            var episodesInSeriesFolder = series.GetRecursiveChildren()
-                .OfType<Episode>()
+            var episodesInSeriesFolder = series.GetRecursiveChildren(i => i is Episode)
+                .Cast<Episode>()
                 .Where(i => !i.IsInSeasonFolder)
                 .ToList();
 
diff --git a/MediaBrowser.Providers/TV/MissingEpisodeProvider.cs b/MediaBrowser.Providers/TV/MissingEpisodeProvider.cs
index d5154b1d3e..5b9e5d5ebf 100644
--- a/MediaBrowser.Providers/TV/MissingEpisodeProvider.cs
+++ b/MediaBrowser.Providers/TV/MissingEpisodeProvider.cs
@@ -203,7 +203,7 @@ namespace MediaBrowser.Providers.TV
             CancellationToken cancellationToken)
         {
             var existingEpisodes = (from s in series
-                                    from c in s.GetRecursiveChildren().OfType<Episode>()
+                                    from c in s.GetRecursiveChildren(i => i is Episode).Cast<Episode>()
                                     select new Tuple<int, Episode>((c.ParentIndexNumber ?? 0) , c))
                                    .ToList();
 
@@ -275,13 +275,16 @@ namespace MediaBrowser.Providers.TV
             return hasChanges;
         }
 
-        private Series DetermineAppropriateSeries(IEnumerable<Series> series, int seasonNumber)
+        private Series DetermineAppropriateSeries(List<Series> series, int seasonNumber)
         {
-            var seriesAndOffsets = series.ToList();
+            if (series.Count == 1)
+            {
+                return series[0];
+            }
 
-            return seriesAndOffsets.FirstOrDefault(s => s.GetRecursiveChildren().OfType<Season>().Any(season => (season.IndexNumber) == seasonNumber)) ??
-                            seriesAndOffsets.FirstOrDefault(s => s.GetRecursiveChildren().OfType<Season>().Any(season => (season.IndexNumber) == 1)) ??
-                            seriesAndOffsets.OrderBy(s => s.GetRecursiveChildren().OfType<Season>().Select(season => season.IndexNumber).Min()).First();
+            return series.FirstOrDefault(s => s.GetRecursiveChildren(i => i is Season).Any(season => (season.IndexNumber) == seasonNumber)) ??
+                            series.FirstOrDefault(s => s.GetRecursiveChildren(i => i is Season).Any(season => (season.IndexNumber) == 1)) ??
+                            series.OrderBy(s => s.GetRecursiveChildren(i => i is Season).Select(season => season.IndexNumber).Min()).First();
         }
 
         /// <summary>
@@ -292,7 +295,7 @@ namespace MediaBrowser.Providers.TV
             bool allowMissingEpisodes)
         {
             var existingEpisodes = (from s in series
-                                    from c in s.GetRecursiveChildren().OfType<Episode>()
+                                    from c in s.GetRecursiveChildren(i => i is Episode).Cast<Episode>()
                                     select new { Episode = c })
                                    .ToList();
 
@@ -402,7 +405,7 @@ namespace MediaBrowser.Providers.TV
 
                     // Season does not have a number
                     // Remove if there are no episodes directly in series without a season number
-                    return i.Series.GetRecursiveChildren().OfType<Episode>().All(s => s.ParentIndexNumber.HasValue || s.IsInSeasonFolder);
+                    return i.Series.GetRecursiveChildren(e => e is Episode).Cast<Episode>().All(s => s.ParentIndexNumber.HasValue || s.IsInSeasonFolder);
                 })
                 .ToList();
 
diff --git a/MediaBrowser.Server.Mono/Program.cs b/MediaBrowser.Server.Mono/Program.cs
index 66851f7e94..dcd2dcaa67 100644
--- a/MediaBrowser.Server.Mono/Program.cs
+++ b/MediaBrowser.Server.Mono/Program.cs
@@ -258,7 +258,12 @@ namespace MediaBrowser.Server.Mono
 
             if (!Debugger.IsAttached)
             {
-                Environment.Exit(System.Runtime.InteropServices.Marshal.GetHRForException(exception));
+                var message = LogHelper.GetLogMessage(exception).ToString();
+
+                if (message.IndexOf("InotifyWatcher", StringComparison.OrdinalIgnoreCase) == -1)
+                {
+                    Environment.Exit(System.Runtime.InteropServices.Marshal.GetHRForException(exception));
+                }
             }
         }
 
diff --git a/MediaBrowser.Server.Mono/app.config b/MediaBrowser.Server.Mono/app.config
index 07c113f3e1..8f21d4a67f 100644
--- a/MediaBrowser.Server.Mono/app.config
+++ b/MediaBrowser.Server.Mono/app.config
@@ -11,6 +11,8 @@
     <add key="ReleaseProgramDataPath" value="ProgramData-Server" />
   </appSettings>
   <runtime>
+    <legacyUnhandledExceptionPolicy enabled="1" />
+    
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
         <assemblyIdentity name="System.Data.SQLite" publicKeyToken="db937bc2d44ff139" culture="neutral" />
diff --git a/SharedVersion.cs b/SharedVersion.cs
index 67aa785ec6..11d0391479 100644
--- a/SharedVersion.cs
+++ b/SharedVersion.cs
@@ -1,3 +1,3 @@
 using System.Reflection;
 
-[assembly: AssemblyVersion("3.2.13.4")]
+[assembly: AssemblyVersion("3.2.13.5")]