Surgically dividing pianists' hands.
D005385:Fingers / Q000601:surgery; D013502:General Surgery / Q000266:history*; D006225:Hand / Q000601:surgery*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009146:Music / Q000266:history*; D013710:Tendons / Q000601:surgery; D014481:United States