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.
did they release any songs sung by John?
featured Wetton's lead vocals on just one song.

Question: was the song on an album or was it a solo song?
Self-contained rewrite: Was the song sung by Wetton for Wishbown Ash on an album or was it a solo song?