Now we have no idea who is singing the song in the background during the opening of "Dementia 13," but it's a extremely cool and rockin' little tune. Musical credits for the movie go to Ron Stein & Les Baxter, but who's singing that song? If Francis Ford Coppola would like to let us know, please just leave the info in the comments section, thanx! You gotta love the part in the end when John's wife throws the radio in the water! We salvaged it for you, but you still really need to see this movie!