1-What Makes Music?--Big Bird, Ernie, Bert, Cookie Monster, Grover, Herry, The Count and Oscar
2-Me Lost Me Cookie at the Disco--Cookie Monster
3-The Happiest Street In the World--Big Bird
4-Sing--The Kids
5-Disco Frog--Kermit the Frog
6-Doin' the Trash--Oscar
7-Bein' Green--Kermit the Frog
8-The Happiest Street In the World (Reprise)--The Kids


Jim Henson as Ernie and Kermit The Frog
Frank Oz as Bert, Grover and Cookie Monster
Jerry Nelson as Herry and The Count
Carroll Spinney as Big Bird and Oscar the Grouc