Angelo M. "Chubby" Cifelli (born March 27, 1939) is an American, singer, composer, and guitarist who grew up in Harrison, New Jersey.
[1] The group performed on Dick Clark's American Bandstand to promote the release of the single.
Petrillo is an accomplished tenor saxophonist and plays solo sax lead on "Opus 17 (Don't You Worry 'bout Me)" by Valli and the Four Seasons.
In 1967, Cifelli and Petrillo co-wrote "Tell It to the Rain", a hit for Frankie Valli and the Four Seasons which reached number 10 on the Billboard Hot 100.
[2] The duo also wrote several other songs for Frankie Valli and the Four Seasons including "Fox in the Bush", "Expression of Love", "Patch of Blue", and "I'm Gonna Change".