Conversation so far:
who did the lineup instability with wishbone ash start with?
Turner was replaced by bassist and vocalist John Wetton.
where was John Wetton from?
John Wetton, formerly of Family, King Crimson, Roxy Music, Uriah Heep and UK.

Question: did they release any songs sung by John?
Self-contained rewrite: did Wishbone Ash release any songs sung by John Wetton?