Watch actor, dancer, and singer Ben Vereen try to cheer up Droop with some Pure Imagination, a song from Willy Wonka & the Chocolate Factory (1971). They’re also joined by some unusual creatures. The performance is from episode 117 of The Muppet Show, which aired in the U.S. on January 24, 1977.

Watch these next: Mummenschanz on The Muppet Show (1976) and Dizzy Gillespie & the Electric Mayhem (1980).

via BoingBoing.

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