Tom Cat is a concert pianist who plays beautifully until he is interrupted by Jerry Mouse.
Direction
Every gag timed to musical beats — pure rhythmic comedy
Production
Won 1946 Oscar, beat Disney's own musical short

Director
Joseph Barbera
Trivia, insights & behind the scenes
The animators recorded themselves playing piano to match finger movements frame-by-frame.
This short helped establish Tom & Jerry as MGM's premier animation franchise, running 17 more years.