Do you know the title of the song that Mike and Tina sang in Duets? :)
Yes, it’s called ‘Sing!’ from the musical, A Chorus Line. :)
http://www.youtube.com/watch?v=ti-k7NNQKdc&feature=grec_index i'm pretty sure it's harry at 0:14
It is :) He is also in a few of the older iPod commercials, he was one of the first dancing silhouettes.