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| Music by | Mark Radice |
| Lyrics by | Luis Santeiro |
| Publisher | Sesame Street Inc. |
"Grouchology" is a Sesame Street song from a 2011 episode.
The song is sung by Nikola Messla (played by Jason Jones) and the Pesties (performed by Joey Mazzarino, Leslie Carrara-Rudolph and Matt Vogel) about the goals of the Grouchology online school.
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