The khaen,Khene, has five different lai, or pentatonic modes with specific drone pitches, organized into two families (thang san and thang yao). The thang san family includes lai sutsanaen (G A C D E), lai po sai (C D F G A), and lai soi (D E G A B), while the thang yao family includes lai yai (A C D E G) and lai noi (D F G A C).
