Mickey's Follies is a Mickey Mouse short animated film first released on August 28, 1929, as part of the Mickey Mouse film series. It was directed by Ub Iwerks and Wilfred Jackson, with music by Carl Stalling. It was produced in black and white by The Walt Disney Studio and released to theaters by Celebrity Productions. It was the tenth Mickey Mouse short to be produced, the seventh of that year.This cartoon is the first in which Mickey sings, and the song -- "Minnie's Yoo-Hoo"—was used as the opening theme for all of the Mickey Mouse cartoons from The Jazz Fool (1929) to Mickey's Steam Roller (1934). Mickey's singing voice is provided by an anonymous studio employee; in these early days, Walt Disney was not yet the exclusive voice for Mickey.