^Encyclopedia of Asian Theatre: A-N - Page 448 Samuel L. Leiter - 2007 "In tuong, the orchestra leads the action, using several drum types (trong cau, trong com, and trong chien), clackers, slit drum, two-string violin (don co), three-string lute (dam tam), flutes, reed instruments (cay ken), gong, and cymbals (chap .