The mega-disco hit and gay anthem "It's Raining Men," although attributed to The Weather Girls (formerly known as Two Tons of Fun), was actually written by Late Night sidekick Paul Shaffer (and co-written by Paul Jabara).
To assemble the Wizard's wardrobe for The Wizard of Oz, MGM costumers shopped at thrift stores to find clothes that projected "shabby gentility." In an incredible coincidence, the previous owner of the coat they purchased was Wizard of Oz writer L. Frank Baum.
DID YOU KNOW? Marlon Brando hated memorizing lines so much that he posted cue cards everywhere to help him get through scenes.
He even asked for lines to be written on an actress's posterior. (That request was denied.)