Conversation so far:
what was the standards trio with Keith Jarrett?
The Jarrett-Peacock-DeJohnette trio also produced recordings that consist largely of challenging original material, including 1987's Changeless.
was Changeless by the Keith Jarrett's Standards Trio successful?
Allmusic awarded Changless 4 stars and states, This is a triumph, for [Keith] Jarrett has successfully brought the organically evolving patterns of his solo concerts into the group format“
what singles did 1987's Changeless by the Keith Jarrett's Standards Trio?

Question: did they work with anyone?
Self-contained rewrite: did Keith Jarrett work with anyone on the album Changeless?