It's Saturday evening, and I'm tired of being serious, so I've been watching a video of Groucho Marx singing "Lydia the Tattooed Lady", written by Yip Harburg. Harburg wrote the lyrics to the songs in The Wizard of Oz , and the depression era hits "It's Only a Paper Moon" and "Brother, Can You Spare a Dime?"
Lydia the Tattooed Lady was performed in the Marx Brothers movie At the Circus which was not among their best movies. Nonetheless the song is one of Groucho's best. Here's a video of the song