"No one leaves and no one will..." That line can be interpreted in different ways. Either the institutionalized are not expected to be fully rehabilitated of their illness, or they don't want to leave out of fear of the outside world. That is, if given the opportunity to rejoin society once again after so many years of social depravity, would they really want to?
Well, I couldn't remember the exact date, it was just an approximate theoretical assumption, consummated from an aged consciousness of a now old man, that deeply enjoys Heavy Metal! My guess was close, in my view. When I look back to a 40yo memory, it's all a synthesized concoction of a mostly forgotten timeline, in which I listen to those 40yo records, but I don't really read them!
No bars, no cells, no chains, no escape. Dance the Trance. Voices clash against burned images, a fight for dominance in a war where no ground is ever gained and the true loser is the battlefield.