Conversation so far:
Who are the quartets with Keith Jarrett?
The quartet members played various instruments, with Keith Jarrett often being heard on soprano saxophone and percussion as well as piano
What was the quartet members roles in the Keith Jarrett quartets?
Dewey Redman on musette, a Chinese double-reed instrument; and Paul Motian and Charlie Haden on a variety of percussion.
What performances the Keith Jarrett quartets did they do in 1970s?
The Keith Jarrett American Quartet recorded two albums for Atlantic Records in 1971, El Juicio
After El Juicio what album did Keith Jarrett's quartet released?
The Keith Jarrett American Quartet released album Birth and another on Columbia Records called Expectations
Was Keith Jarrett's quartet's album Expectations followed by other performances?
Keith Jarrett's contract with Columbia Records was terminated within a month of its release
After the termination of Keith Jarrett's contract with Columbia Records did they embark on other projects?
Keith Jarrett and his American quartet made eight albums on Impulse! Records; and two on ECM.

Question: Did impulse have its followings?
Self-contained rewrite: Did impulse have any releases following after Keith Jarrett's contract with the label was terminated ?