1 files changed, 19 insertions, 20 deletions

diff --git a/Emby.Server.Implementations/Library/MusicManager.cs b/Emby.Server.Implementations/Library/MusicManager.cs
index 10602fea7..e2f1fb0ad 100644
--- a/Emby.Server.Implementations/Library/MusicManager.cs
+++ b/Emby.Server.Implementations/Library/MusicManager.cs
@@ -1,13 +1,19 @@
+#nullable disable
+
+#pragma warning disable CS1591
+
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Jellyfin.Data.Entities;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Playlists;
-using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Querying;
+using MusicAlbum = MediaBrowser.Controller.Entities.Audio.MusicAlbum;
 
 namespace Emby.Server.Implementations.Library
 {
@@ -30,9 +36,10 @@ namespace Emby.Server.Implementations.Library
             return list.Concat(GetInstantMixFromGenres(item.Genres, user, dtoOptions)).ToList();
         }
 
-        public List<BaseItem> GetInstantMixFromArtist(MusicArtist item, User user, DtoOptions dtoOptions)
+        /// <inheritdoc />
+        public List<BaseItem> GetInstantMixFromArtist(MusicArtist artist, User user, DtoOptions dtoOptions)
         {
-            return GetInstantMixFromGenres(item.Genres, user, dtoOptions);
+            return GetInstantMixFromGenres(artist.Genres, user, dtoOptions);
         }
 
         public List<BaseItem> GetInstantMixFromAlbum(MusicAlbum item, User user, DtoOptions dtoOptions)
@@ -45,7 +52,7 @@ namespace Emby.Server.Implementations.Library
             var genres = item
                .GetRecursiveChildren(user, new InternalItemsQuery(user)
                {
-                   IncludeItemTypes = new[] { typeof(Audio).Name },
+                   IncludeItemTypes = new[] { nameof(Audio) },
                    DtoOptions = dtoOptions
                })
                .Cast<Audio>()
@@ -73,7 +80,6 @@ namespace Emby.Server.Implementations.Library
                 {
                     return Guid.Empty;
                 }
-
             }).Where(i => !i.Equals(Guid.Empty)).ToArray();
 
             return GetInstantMixFromGenreIds(genreIds, user, dtoOptions);
@@ -83,53 +89,46 @@ namespace Emby.Server.Implementations.Library
         {
             return _libraryManager.GetItemList(new InternalItemsQuery(user)
             {
-                IncludeItemTypes = new[] { typeof(Audio).Name },
+                IncludeItemTypes = new[] { nameof(Audio) },
 
                 GenreIds = genreIds.ToArray(),
 
                 Limit = 200,
 
-                OrderBy = new[] { new ValueTuple<string, SortOrder>(ItemSortBy.Random, SortOrder.Ascending) },
+                OrderBy = new[] { (ItemSortBy.Random, SortOrder.Ascending) },
 
                 DtoOptions = dtoOptions
-
             });
         }
 
         public List<BaseItem> GetInstantMixFromItem(BaseItem item, User user, DtoOptions dtoOptions)
         {
-            var genre = item as MusicGenre;
-            if (genre != null)
+            if (item is MusicGenre genre)
             {
                 return GetInstantMixFromGenreIds(new[] { item.Id }, user, dtoOptions);
             }
 
-            var playlist = item as Playlist;
-            if (playlist != null)
+            if (item is Playlist playlist)
             {
                 return GetInstantMixFromPlaylist(playlist, user, dtoOptions);
             }
 
-            var album = item as MusicAlbum;
-            if (album != null)
+            if (item is MusicAlbum album)
             {
                 return GetInstantMixFromAlbum(album, user, dtoOptions);
             }
 
-            var artist = item as MusicArtist;
-            if (artist != null)
+            if (item is MusicArtist artist)
             {
                 return GetInstantMixFromArtist(artist, user, dtoOptions);
             }
 
-            var song = item as Audio;
-            if (song != null)
+            if (item is Audio song)
             {
                 return GetInstantMixFromSong(song, user, dtoOptions);
             }
 
-            var folder = item as Folder;
-            if (folder != null)
+            if (item is Folder folder)
             {
                 return GetInstantMixFromFolder(folder, user, dtoOptions);
             }