|Written by||Clark Gesner|
|Source||You're a Good Man, Charlie Brown (musical)|
|Publisher||MPL Music Publishing Inc.|
- Susan Sings Songs from Sesame Street (1970, as "Happiness")
- Happiness/Square Song (single, 1970, as "Happiness")
- Susan from Sesame Street with the Bubble Gum Singers Vol. 1 (as "Happiness")
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