Thanks to Julia James for submitting the lyrics

South Park: Bigger, Longer & Uncut - Music From And Inspired By The Motion Picture (June 22, 1999)

Mountain Town - Stan Marsh, Kenny McCormick, Kyle Broflovski, Eric Cartman, Sharon Marsh and Sheila Broflovski
Uncle Fucka - Terrance and Phillip
It's Easy, Mmmkay - Mr. Mackey, Stan Marsh, Eric Cartman, Kyle Broflovski, Gregory and Wendy Testaburger
Blame Canada - Sheila Broflovski, sharon Marsh, Liane Cartman and Ms. McCormick
Kyle's Mom's A Bitch - Eric Cartman and Marc Shaiman
What Would Brian Boitano Do? - Stan Marsh, Kyle Broflovski and Eric Cartman
Up There - Satan The Dark Prince
La Resistance (Medley) - Howard McGillin and The People of South Park
Eyes Of A Child - Michael McDonald
I Can Change - Saddam Hussein
I'm Super - Big Gay Al
Mountain Town (Reprise) - The People of South Park
Good Love - Isaac Hayes as Chef
Riches to Rags (Mmmkay) - Nappy Roots
Shut Yo Face (Uncle Fucka) - Trick Daddy feat. Trina & Tre +6
Kyle's Mom's a Big Fat Bitch - Joe C. Feat. Kid Rock
What Would Brian Boitano Do, Pt II - D.V.D.A.
I Swear It (I Can Change) - Violent Femmes
Super - RuPaul
O Canada - Geddy Lee and Alex Lifeson of Rush featuring Terrance and Phillip

Other Songs From The Movie:
Hell Isn't Good - D.V.D.A. featuring James Hatfield
Stan's Song - Stan