I'm betting it's one of the tracks on "Ambient 1: Music for Airports"
http://allmusic.com/cg/amg.dll?p=amg&sql=10:anfixqq5ldte-----
Now the Brian Eno patches could be a bit more interesting. There is one ambient CS80 track by him, I forgot the title, just two letters and three digits. What album is this on?