In the 1960s, people were trying to get away from the pop song format. Tracks were getting longer, or much, much shorter.
Brian EnoAny constraint is part of the skeleton that you build the composition on - including your own incompetence.
Brian EnoI'd rather hold one note for an hour and modulate it so that it means something than play 3,000 notes in 15 seconds.
Brian EnoWhen I've finally got the title, I think, "Okay, yes, now I know where we are. Now I know what it is. Fine, that must be finished or nearly finished.
Brian Eno