Rewatched this recently.
Having not seen it since the 80's, caught it on a UK cable cable. Cool 80's retro schlock, and all that. Suprised to see a chubby MJ Fox (didnt remember that). Having looked through this board, I may be the only one to notice this (I seriously doubt it, more like the only one to mention this), but, in the final scenes, during the concert, is that a young Keanu Reeves, playing a clarinet? looks like him, but is uncredited.
Jesus Saves!
Not on my wages he would'nt