If you put me on the spot about what my favourite Bowie album is, I'd probably plump for his 1990 compilation album Changesbowie.
I'm not trying to be a cheeky swine. For me, Bowie, more than anything else, was a great singles artist. And the reason I pidgeon-holed in such a limiting fashion? The honest answer is that I never properly checked out his albums . . . for reasons which currently escape me. That's my loss (and possible future gain) because it means that it's only now that I discover great album tracks like 'Blackout' from his '77 Heroes album:
That's where Billy and Alan got their soundscape from. Now I understand.