Big House Blues is a 1947 Color Rhapsody that is part of the Flippy and Flop series.
Flippy the canary reads a book on crime, and sees his cage as a cell and himself as stir-crazy.
He escapes, only to be pursued by his enemy, Flop, now a prison guard.
Flippy later wakes up and finds out it was all a dream only to beat up Flop.
This article related to a short animated film is a stub.