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.
When did Dion DiMucci release his first solo record?
By the end of 1960, Dion DiMucci had released his first solo album on Laurie, Alone with Dion.
Did any of Dion DiMucci's songs from Alone with Dion do well?
Dion DiMucci had released his first solo album on Laurie, Alone with Dion, and the single Lonely Teenager, which rose to No. 12 in the US charts.

Question: What other successful songs did he have?
Self-contained rewrite: What other successful songs did Dion DiMucci have, besides Lonely Teenager?