utt: hidla bob cân ddigalon gan bryn terfel a chadw neu creu rhestr chwarae o ganeuon digalon gan bryn terfel
annot_utt: hidla bob cân [music_descriptor : ddigalon] gan [artist_name : bryn terfel] a chadw neu creu rhestr chwarae o [playlist_name : ganeuon digalon gan bryn terfel]