There are certain sounds that I've found work well in nearly any context. Their function is not so much musical as spatial: they define the edges of the territory of the music.
Brian EnoI think the idea that people walk around to music is very interesting. They are actually creating the soundtrack to their lives as they walk around to it.
Brian EnoSome people say Bowie is all surface style and second-hand ideas, but that sounds like a definition of pop to me.
Brian EnoExcept in a few cases like Music for Airports, which was a very clear case of noticing a niche [and] saying, "Okay, there's this situation in which people always play music, and nobody has written music for that situation so I'm going to." So, that was a very clear example of spotting a niche and working for it. I have done that occasionally.
Brian Eno