To the left are his four solo albums released after leaving Roxy Music. They felt a logical progression of rock to cerebral to meditative to a fusion of them all. The right of that above are the two (early) collaborations with Robert Fripp. The music is equal parts each musician. Below that, his first four “ambient” albums. Process music (like much of the 20C modern music I listen to) but as wallpaper as opposed to foreground. The lower left, in the middle of his early ambient works, is the album with David Byrne. Also process; not wallpaper.