My 4.5 year old son is a sucker for all kinds of music. Reggae, classical, punk, kid's themed stuff, rock 'n roll, 80s glam rock, you name it. Here he is doing a serious Prince impression to Purple Rain earlier tonight. Almost a 7 MB file, so be patient.
**Update: I've heard that some people are only getting audio when clicking the above link. If so, navigate to BeauregardPictures.com in my Favorite Sites to the right. Then click Movies and click Purple Rain.