Conversation so far:
Do you know why Dion DiMucci left the Belmonts in 1960?
There were musical, personal and financial differences between Dion and members of the Belmonts, and in October 1960, Dion decided to quit for a solo career.

Question: When did Dion release his first solo record?
Self-contained rewrite: When did Dion DiMucci release his first solo record?