Conversation so far:
What was Jim Steranko's early art career like?
Jim Steranko learned stage magic using paraphernalia from his father's stage magician act. In his teens, he spent several summers working with circuses and carnivals.
What did Jim Steranko do after learning stage magic using paraphernalia from his father's stage magician act?
Up through his early 20s, Jim Steranko performed as an illusionist, escape artist, close-up magician in nightclubs, and musician, and formed his own band.

Question: What did he do next?
Self-contained rewrite: What did Jim Steranko do next after forming his band?