Conversation so far:
What is 'Leaving Basie' for Lester Young
Lester Young left the Basie band in late 1940.
Why did Lester Young leave the Count Basie Orchestra?
Lester Young and drummer Jo Jones would stated Young's departure had been in the works for months.
How did Count Basie react to Lester Young's dismissal?
What did Lester Young do after he was dismissed?
Lester Young led a number of small groups that often included his brother, drummer Lee Young, for a couple of years.

Question: What did record with them?
Self-contained rewrite: What did Lester Young record with his small groups?