Masters of Reality was the modern prototype for the 'desert rock' bands. Or anything inclusing Josh Homme.
The Delicious Vinyl album is stonking, Used to be a bit tricky to get hold of especially in the UK.
They seem to have been one of those bands I really like, but never bought their stuff. That is about to change! Sufferbus isn't on spotify. Boo.
I am listening to tubular bells at this very moment