Conversation so far:
Where was the mainstream direction going with Nas's career?
Columbia Records began to press Nas to work towards more commercial topics by releasing street singles that still retained radio-friendly appeal.
How was Nas involved in the supergroup the Firm?
The Firm was an American hip hop supergroup that formed in New York City in 1996. It was created by rapper Nas, Steve Stoute, Dr. Dre and the Trackmasters.

Question: What did this super group do?
Self-contained rewrite: What did this super group the Firm do?