Conversation so far:
What did Johnny Young do in his later career?
After Young Talent Time, Johnny Young continued in entertainment, he worked as a radio disc jockey and occasionally performed live.
Where did Johnny Young perform in his later career?
Johnny Young periodically performed with Rowe, Buddy England (ex-The Seekers, The Mixtures) and Marcie Jones (Marcie and The Cookies) as the 'Legends of Sixties Rock' at venues across Australia.
Did Johnny Young do anything else besidesworking as a radio disc jockey and perming live in his later career?
Did Johnny Young do anything else besides working as a radio disc jockey and performing live in his later career?

Question: did those do well?
Self-contained rewrite: Did the Johnny Young Talent School Franchise do well?