A 1959 shot of (l-r) Carlo Mastroangelo, Dion DiMucci and Fred Milano — collectively known as "Dion and the Belmonts." Michael Ochs Archives. Cathy MacDonnell.

A 1959 shot of (l-r) Carlo Mastroangelo, Dion DiMucci and Fred Milano — collectively known as “Dion and the Belmonts.” ...

Dion and the Belmonts proved their talents and that they were among the best. ... “I Wonder Why,” in 1958, skyrocketed them to fame. It became such a popular record, ...