Yamaha CS80

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

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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?