30 Rock's Tina Fey singing her original Joni Mitchell style song. It was playing in the background of the fake club Canal Yards Project (season 5, episode 15, It's Never Too Late for Now).
30 Rock is releasing a soundtrack album, including such classics as Werewolf Bar Mitzvah and Muffin Top. Also, Lemon's Theme, which you can get a sneak preview of at the link.
The cast of NBC's Emmy Award-winning comedy series "30 Rock" will perform a special live episode from famed studio 8H on Thursday, October 14 (8:30-9 p.m. ET).