Ernie from Sesame Street learns rule #1 about playing the saxophone in this fun video from 1988. Check out all of the guest appearances! From the YouTube description:
Another segment from the 1988 prime time PBS pledge drive special, an all star celebrity sing-along. The celebrities, in order of appearance: John Candy (as Yosh Schmenge from SCTV), Andrea Martin (as Edith Prickley from SCTV), New York Mets Keith Hernandez & Mookie Wilson, Jane Curtin (of SNL and Kate & Allie), Madeline Kahn, Joe Williams, Paul Reubens (as Pee Wee Herman), Ladysmith Black Mambazo, Wynton Marsalis, Celia Cruz, Ihtzak Perlman, Gordon Jackson & Jean Marsh (as Angus Hudson and Rose Buck of Upstairs Downstairs), Paul Simon, Jeremy Irons, Pete Seeger, Rhea Perlman and Danny Devito, and NY Giants Sean Landeta, Mark Ingram, Karl Nelson and Carl Banks.
Did they miss any guest appearances in that description?
Update: Reader JoeH provided this link to a Muppet Wikipedia with a pantload of information about this particular song and video, including extensive guest star date. Thanks, JoeH!