Mickey Mouse March (The Mickey Mouse Club March), is the opening theme for the The Mickey Mouse Club TV show, broadcast weekday afternoons in the US from October 1955[1] to 1959, on the ABC television network. (Who’s the leader of the Club that’s made for you and me? M-I-C-K-E-Y-M-O-U-S-E!) The song is reprised with the slower "it's time to say goodbye" verse, at the end of each episode. The song remains popular as a children's music standard. It is Mickey Mouse's official theme.
The song was written by the Mickey Mouse Club host Jimmie Dodd. It was published by Hal Leonard Corporation, July 1, 1955.[2] Dodd wrote other songs used over the course of the series. Dodd was a guitarist and musician hired by Walt Disney as a songwriter. Dodd also wrote the “theme day” songs accompanying it on the show.
The song was also covered by Andrew W.K. on the Japanese only release Mosh Pit On Disney.