Oh, yeah, he also did some nifty songs, from Poisoning Pigeons in the Park (1953), which I have on a Dr. Demento album:
To the exquisite Vatican Rag:
To 'Silent E' from "the Electric Company:
My suggestion: go to Evanier's page, type Tom Lehrer in the search mode. 15 of the 16 hits prior to today will be Tom Lehrer videos, and I'd be surprised if there weren't one or two more to celebrate the occasion. Then go here and check out the lyrics.
Here's an interview from 2007 from whence I stole the image above. To paraphrase the great Tom Lehrer, "When Mozart was my age, he had been dead for 20 years."