Revealing mistake: When Oliver is fleeing the rolling crate on the steps, he falls to the ground and the crate flies over him. At this point, the wires pulling the crate are visible.
Continuity mistake: When Oliver falls into the fountain with the wooden crate, you can tell the crate is empty because it is floating. But when we see a close-up of Oliver in the next shot, the crate has been weighed down and is not floating.
Trivia: "The Music Box" won the first Academy Award for Live Action Short Film in 1932. It was also the only Laurel and Hardy film to be honoured with an Oscar.
Trivia: "The Music Box" is a remake of one of Laurel and Hardy's earlier silent films, "Hats Off", which is now presumed lost.