I just did this for the first time. I listened to The Dark Side of the Moon while watching Wizard of Oz. It was uncanny. Anyone who either loves music of movies should do this at least once. And i wasn’t even high.
Been there, done that, got the t-shirt, peed in the corn flakes and molested the cat.
Wanna do something REALLY trippy? Watch Star Wars while listening to The Wall. Man, Darth Vader will NEVER be the same again!!!
Euty, don’t forget this --> http://boards.straightdope.com/sdmb/showthread.php?threadid=57782