There's No Business Like Show Business

Sung by Ethel merman and the cast in Episode 122 of The Muppet Show. She started singign to the cast backstage, then sang again in a show stopping performance, joined by Kermit the Frog, Miss Piggy, Fozzie bear, The Great Gonzo, Hilda, George the janitor, wayne and wanda, Floyd Pepper, janice, Blue Frackle, Green Frackle, Trumpet Girl and a few chorus-singing Whatnots.

This recording was used over a clip montage at the beginning of The Muppets: A Celebration of Thirty Years.