WARNING: Foul language ahead. Basically one of his "wackpackers" Elephant Boy played a little musical game the other day. It's called the #1 game, he had to pick the song out of 3 that wasn't a number 1. Starts around the 6:50 mark. Funny thing is... Howard is a fan.
http://www.youtube.com/watch?v=tH-FtFr3AAc