|Written by||Jeff Moss|
- Following his verse, the Fat Blue singer's right eye comes loose, forcing him to leave the frame for a bit to have it re-attached. In an alternate take of the segment, shown in foreign co-productions, the singer's eye remains intact throughout the song.
- The Muppet Alphabet Album (1971)
- Muppet IJKL (single, 1971)
- Letters ...and Numbers, Too! (1974)
- Muppet IJKL (single, 1976)
- Letters, Numbers and Signs (1977)
- My Record (1983)
- Sing the Alphabet (1996)
- F is for Friend! (2019)
- Do the Alphabet (1996) (new sound effect added)
- Old School: Volume 1 (2006)
- Awesome Alphabet Collection (2019)
- Letters (computer game) (released as audio)
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