Continuity mistake: When Bugs is disrupted by the mouse during his performance, he hammers some wood on the mouse's hole in the piano. Later on, the wood disappears for the remainder of the short.
Continuity mistake: When Bugs is turning the pages of his piano book, he sees a woman in a bikini and then carries on turning until he gets to the right page. When he gets to the right page, the style of the notes changes between shots.
Continuity mistake: When Bugs begins his performance, he takes a carrot from the far end of the piano, takes a bite out of it and puts it back. When we see Bugs performing a couple of shots later, the carrot has disappeared.
Continuity mistake: After Bugs shoots the man in the audience for coughing, the style of notes in the music book in front of him changes between shots.
