They Might Be Giants. Here Come The ABCs (Original Songs About The Alphabet). Letter / Not A Letter. They Might Be Giants. Here Come The ABC (canzoni originali su L'alfabeto). Lettera / Not A Letter.
... What's that? That is a letter. What is that? That's not a letter. That's a letter. That's not a letter. That is a letter. Is that a letter? I don't know
...