Top tracks from Dion & The Belmonts: A Teenager in Love, The Wanderer & more. Dion & the Belmonts were a leading American vocal group of the late 1950s. The group formed when Dion DiMucci joined The Belmonts - Carlo Mastrangelo, Fred Milano (August 22, 1939 - January 1, 2012), 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) and "Don’t Pity Me" (#40). Discover more music, concerts, videos, and pictures with the largest catalogue online at Last.fm.