Conversation so far:
What were the Duet projects?
In the 1970s Corea started working with vibraphonist Gary Burton, with whom he recorded several duet albums for ECM.
What songs did they play together?
CANNOTANSWER.
What came of the duets?
They reunited in 2006 for a concert tour.
Was the concert a success?
CANNOTANSWER.

Question: What followed their concert?
Self-contained rewrite: What followed Chick Corea's concert in 2006?