It's Your Birthday is a song that was performed by Wal-E-Weasel and the rest of the animatronics for Bart Simpson's birthday at Wall E. Weasel's in the episode Radio Bart.


Reddy robot: I'm-a-ready! And a one, and a two!
Robots: (singing falteringly, out-of-tune, with mechanical noises) You're the birthday, you're the birthday, you're the birthday boy or girl.