Conversation so far:
Did Ozzie Nelson get an education in Music?
Ozzie Nelson did not get an education in music but during the Depression, he turned to music as a full-time career.
Did Ozzie Nelson have a band or was he always a leader?
Ozzie Nelson started his entertainment career as a band leader. He formed and led The Ozzie Nelson Band, and had some initial limited success.
What kind of music did Ozzie Nelson play in his band?
Ozzie Nelson and his band specialized in big band and swing music.
Was Ozzie Nelson's band successful?
Yes. In 1935, Ozzie Nelson and His Orchestra, had a number one hit with And Then Some, which was number one for one week on the U.S. pop singles chart.

Question: Did he have a group of members or was it just him?
Self-contained rewrite: Did Ozzie Nelson have a group of members or was it just him?