Don't Buy a Calendar, Tomorrow's Already Gone! (Earthworm Jim)

Don't Buy a Calendar, Tomorrow's Already Gone! was performed by the fictional Lounge Singer Duo, Morty and Ilene, written by Evil the Cat, and is composed of a special melody that can destroy the universe. It was heard in the Season 2 episode, "Lounge Day's Journey into the Night" both within the episode, and during the credits.

English

 * Singer: April Winchell (Ilene) and Billy West (Morty)

I told my baby things are different from now on, (Capiche?) Don't buy a calendar, tomorrow's already gone! You've got your troubles, they'll be gone in a flash! (Yes they will!) Cause in the morning, the universe- It's out with the trash!

Basque

 * Singer: TBA

Russian (Selena International)

 * Singer: Morty and Ilene's Singing Audio is Retained, Unknown Voiceover

European Spanish

 * Singer: TBA