Who Wetton played with is in his bio at wikipedia, it sounded like more of an association with Roxy music but actually playing, if for only 2 years, with Wishbone Ash.
http://en.wikipedia.org/wiki/John_Wetton
Rest In Peace
Bless His Soul, even at 67, his mother survives him.
Among his last words were “Bury Me in Willow.” No joke!