Otto Harbach (1873-1963) was an American lyricist and librettist. He worked largely on musical comedies, and was the lyricist for many songs now in standard repertoire.
The Harbach songs performed by the Muppets include:
- "I Won't Dance" from the film version of Roberta, originally from Three Sisters (music by Jerome Kern, lyrics with Oscar Hammerstein II, Dorothy Fields and Jimmy McHugh)
- performed by Kermit the Frog and Miss Piggy in The Muppet Show episode 210
- "Indian Love Call" from Rose-Marie (music by Rudolf Friml, lyrics with Oscar Hammerstein II)
- performed by Wayne and Wanda in The Muppet Show episode 106
- "Smoke Gets in Your Eyes" from the stage version of Roberta (music by Jerome Kern)
- performed by Zoot and Rowlf in The Muppet Show episode 202
- "Who?" from Sunny (music by Jerome Kern, lyrics with Oscar Hammerstein II)
- performed by Zelda Rose and her Singing Owl in The Muppet Show episode 203