Conversation so far:
What took place in 1982?
On the recommendation of Michal Urbaniak, Zawinul and Shorter recruited the 23-year-old drummer Omar Hakim.
Was this when the new band formed?
The music developed on tour was later recorded for the 1983 album Procession.
What can you tell me about the formation of the new band?
Hakim was immediately entrusted with recruiting the rest of the new rhythm section.

Question: When was the rest of the rhythm selected for the new band?
Self-contained rewrite: When was the rest of the rhythm selected for the new band Weather Report?