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| Music by | David Conner |
| Lyrics by | Jeff Moss |
| Date | 1990 |
| Publisher | Festival Attractions, Inc. Sesame Street Inc. |
"Mom's Alphabet Song" is a jazzy version of "The Alphabet Song" as performed in Episode 2715 of Sesame Street.
When Ruby and Tatyana imagine having their own children, they encounter Bob as the elderly Grandpa Gregory, who brags about his baby grandson's ability to recite his ABCs. Ruby states that she and Tatyana are proud of their babies' abilities to do the same, but with a call of "Hit it, girls!" the babies launch into a harmonized version that impresses Grandpa Gregory.
Lillias White voices one of the unseen babies (concealed inside their strollers).