I Los Angeles håller några hängivna hantverkare 80 000 musikinstrument för studenter i skick.
Dana Atkinson
Self
Duane Michaels
Paty Moreno
Steve Bagmanyan
Ken Burget
Self - The Piano Tuner
Vincent Womack
Self - L.A.U.S.D. Music Teacher Since 19987
Boris Karloff
The Monster (archive footage) (uncredited)
Tom Parker
Self (archive footage) (uncredited)
Elvis Presley
