Finally found "Longplayer," the piece of music that I mentioned earlier:-
For more details:
https://en.wikipedia.org/wiki/Longplayer
So far, it's been playing for seven years, which made me wonder how you might package that in album format. It's either an awful lot of albums, or an awful lot of editing to make a "Best of..." compilation. Actually, composer Jem Finer found an elegant way to dodge the problem - and you can buy his albums of "Longplayer" here:-
https://www.discogs.com/Jem-Finer-Lo...elease/9720058