Добавьте файлы проекта.

YandexMusic.API/Extensions/API/YArtistExtensions.cs

@@ -0,0 +1,36 @@
+using YandexMusic.API.Models.Artist;
+using YandexMusic.API.Models.Track;
+
+namespace YandexMusic.API.Extensions.API
+{
+    /// <summary>
+    /// Методы-расширения для исполнителя
+    /// </summary>
+    public static partial class YArtistExtensions
+    {
+        public static YArtistBriefInfo BriefInfo(this YArtist artist)
+        {
+            return BriefInfoAsync(artist).GetAwaiter().GetResult();
+        }
+
+        public static YTracksPage GetTracks(this YArtist artist, int page = 0, int pageSize = 20)
+        {
+            return GetTracksAsync(artist, page, pageSize).GetAwaiter().GetResult();
+        }
+
+        public static List<YTrack> GetAllTracks(this YArtist artist)
+        {
+            return GetAllTracksAsync(artist).GetAwaiter().GetResult();
+        }
+
+        public static string AddLike(this YArtist artist)
+        {
+            return AddLikeAsync(artist).GetAwaiter().GetResult();
+        }
+
+        public static string RemoveLike(this YArtist artist)
+        {
+            return RemoveLikeAsync(artist).GetAwaiter().GetResult();
+        }
+    }
+}