Restructured the project structure back to the way it was, there's no reasonable way to split the modules

src/NadekoBot/Db/Models/PlaylistSong.cs

@@ -0,0 +1,18 @@
+#nullable disable
+namespace Nadeko.Bot.Db.Models;
+
+public class PlaylistSong : DbEntity
+{
+    public string Provider { get; set; }
+    public MusicType ProviderType { get; set; }
+    public string Title { get; set; }
+    public string Uri { get; set; }
+    public string Query { get; set; }
+}
+
+public enum MusicType
+{
+    Radio,
+    YouTube,
+    Local,
+}