In a Buzzfeed interview published yesterday, the comedian revealed that he'd agreed to sing fan-favorite "The Monorail Song" at the event, backed by the Los Angeles Gay Men's Choir. O'Brien, of course, wrote "Marge vs. the Monorail," theSimpsons episode which first featured the song performed by the late Phil Hartman. Check out the original "The Monorail Song" below or pick up tickets for The Simpsons Take the Bowl here.