Zeke Nicholson, Zach Reino, Jess McKenna, and Scott Passarella make up a musical on the spot.

Zach, Ross, and Rashawn make up songs on the fly with help from Aaron Wilson.

Rashawn, Ross, and Wayne Brady sing karaoke prompts with accompaniment by Aaron Wilson.

Jess, Zeke, and Zach have a karaoke night with accompaniment from Aaron Wilson.

Rachel Bloom, Grant O'Brien, & Siobhan Thompson test their playbill memories in a musical-themed ep.

Jeff Hiller, Lindsay Jones, and Grant O'Brien set out to prove who has all that jazz.

A song about putting Jeff Bezos' $200 billion fortune into context.

There's only one Guy who can rule the kingdom of big bold taste and Fieri flavor.

Hopefully they'll make a Portal 3 so this song can be in the ending credits.

TV’s favorite scientist, Bill Nye, brings you an interplanetary bop worthy of a Nobel and a Grammy.

A country anthem for our doomed country.

Sing a song of sadness.