Now I dunno who came up with the idea to let the Mad Professor loose on Massive Attack's slighty disappointing second helping, but that person sure had vision in spades. The resulting remix/dub album No Protection remains a massive personal fave.
Massive Attack & Mad Professor - Eternal Feedback (Sly)
And while we're at it, here's the Prof on his own, from his humble but hard-hitting '82 debut Dub Me Crazy!! Right on.
Mad Professor - Your Rights/My Rights