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| Written by | Louise Gikow |
| Date | 1990 |
| Publisher | Sesame Street Inc. |
"What is So Great About Letters?" is a Shalom Sesame song from the episode "Aleph-Bet Telethon."
Jerry Stiller leads the callers of their Aleph-Bet Telethon, singing about the importance of letters and the aleph-bet. The song is reprised at the end of the episode, celebrating the return of the letters.
