Already posted Quoth the Raven from the movie Ghost Catchers, by also vaudevillian comedians Ole Olson and Chic Johnson, neither them nor the movie nor the musicians involved retained the popularity of the MB though, even Ella Mae Morse has been somewhat forgotten. It features several other tunes, including by singer Gloria Jean and Morton Downey.
https://www.youtube.com/watch?v=S2P5dCjHgjU