It's Easy, Mmmkay
(Mr. Mackey, Stan Marsh, Eric Cartman, Kyle Broflovski, Wendy Testaburger and Gregory)
The song It's Easy, Mmmkay, performed by Mr. Mackey, Stan Marsh, Eric Cartman, Kyle Broflovski, Wendy Testaburger and Gregory, was featured in the movie South Park: Bigger Longer & Uncut.