Conversation so far:
Who did the wishbone ash lineup initially start with?
Martin Turner, Andy Powell, Ted Turner, Steve Upton
Where was John Wetton from?
He was born in Willington, Derbyshire, and grew up in Bournemouth, Dorset.
Did Wishbone Ash release any songs sung by John Wetton?
Yes
Was Here Comes the Feeling on an album or was it a solo song?
Yes it was on the album
How did John Wetton react to just one song idea?
Wetton did not continue with Wishbone Ash beyond the album sessions and instead co-founded Asia.
Who replaced John Wetton in Wishbone Ash?
Wetton was replaced on the Number the Brave tour by the former Uriah Heep bassist Trevor Bolder.

Question: did anybody else leave?
Self-contained rewrite: Did anybody else leave Wishbone Ash after Wetton?