It appaears it is. Here's the info at www.imdb.com:

http://www.imdb.com/name/nm0330268/bio

The song is included at Disneyland at "Great Moments with Mr. Lincoln" and at "The American Adventure" at EPCOT within Disney World (Florida). Both are a recording by Colombian artist Alicia Almo.

www.allearsnet.com also states that Irving Gordon was the writer of the Abbott and Costello routine "Who's On First?".