Who was the director of the 1953 musical comedy for which the song "That's Entertainment!" was written?
That's Entertainment! (song):  The song was published in 1952 and was written especially for the 1953 Metro-Goldwyn-Mayer musical film "The Band Wagon". The Band Wagon: The Band Wagon is a 1953 musical comedy film directed by Vincente Minnelli, starring Fred Astaire and Cyd Charisse.
Vincente Minnelli