By request from icanhascheezburger.com, "Advanced Cat Yodeling" is a shortened edit of "An Engineer's Guide to Cat Yodeling (with Cat Polka)" by Paul Klusman. Music is "Can Can" by Offenbach purchased from shockwave-sound.com.
Here's my nine minutes of late-night (I meant early-morning) fame on the David Letterman Show when originally broadcasted on NBC. It was produced on August 14, 1980.