Conversation so far:
How did The Osmonds solo careers take off?
Donny had a string of pop hits with a string of covers of earlier teen-pop songs.
Why was Donny Osmond becoming big?
Donny's emergence as a solo star and the record company's desire to appeal to the teen-girl audience often thrust Donny out in front of the group.

Question: What other hits or successful ventures did he have?
Self-contained rewrite: What other hits or successful ventures did Donny Osmond have?