The Belmonts are a doo wop group that originated in the mid 1950s. The group consisted of Fred Milano, Angelo D'Aleo, and Carlo Mastrangelo. The group took their first name from Belmont Avenue in the Bronx. There were several stages in their history, including the 1958-1960 period with Dion DiMucci, when the group was named Dion and the Belmonts.

Dion and the Belmonts were a leading American vocal group of the late 1950s. The group formed when Dion DiMucci joined The Belmonts - Carlo Mastrangelo, Freddie Milano, and Angelo D'Aleo - in late 1957.

Dion & the Belmonts were a leading American vocal group of the late 1950s. The group formed when Dion DiMucci joined The Belmonts - Carlo Mastrangelo, Freddie Milano, and Angelo D’Aleo - in late 1957. After an unsuccessful first single, the group were signed to Laurie Records. Their breakthrough came when “I Wonder Why” made # 22 on the Billboard Hot 100 chart, and the group appeared for the first time on the Dick Clark TV show. They followed it with the ballads “No One Knows” (#19) an