Before Mickey Mouse became bland with an uncomfortable chuckle, he was actually a fun character. Here he is beating up a piano in the “The Jazz Fool” (1929). He even spits tobacco juice on it. Tobacco? Walt! Think about the children!!
The piano exacts its revenge. Look! Another butt attack joke. Walt loved those. I swear there was one in every Disney cartoon for a while.
The animation is credited to the great Ub Iwerks.