Conversation so far:
When did Lester Young join Count Basie?
In 1933 Lester Young settled in Kansas City, where after playing briefly in several bands, he rose to prominence with Count Basie.
What was Lester Young's role with Count Basie?
Lester Young's playing in the Basie band was characterized by a relaxed style which contrasted sharply with the approach of Coleman Hawkins, the dominant tenor sax player of the day.
Who are the other members of The Kansas City Sessions besides Lester Young?
Buck Clayton, Dicky Wells, Count Basie, Freddie Green, Rodney Richardson, and Jo Jones.
What songs did Lester Young play with Count Basie?

Question: After Kansas City Sessions what did he play in?
Self-contained rewrite: After Kansasa City Sessions what did Lester Young play in?