The Three Stooges S01 E02 Punch Drunks

Moe, a boxing manager, discovers that when Larry plays "Pop Goes the Weasel" on his violin, Curly goes berserk and punches any available target. Moe offers to manage Curly as the ring's newest boxing sensation and hires Larry to play his violin ringside. At the championship fight, Larry's violin is broken and he frantically searches the streets for an alternate source of music.