Frankie Valli (born May 3, 1934) is an American popular singer, most famous as frontman of The Four Seasons beginning in 1960. He is well-known for his unusually powerful falsetto voice. Valli scored 29 Top 40 hits with The 4 Seasons, one Top 40 hit under The Four Seasons' alias 'The Wonder Who?', and nine Top 40 hits as a solo artist. As a member of The 4 Seasons, Valli's number one hits included "Sherry" (1962), "Big Girls Don't Cry" (1962), "Walk Like a Man" (1963), "Rag Doll" (1964) and "December 1963 (Oh, What A Night)" (1975). Valli's recording of the song "Can't Take My Eyes Off You" reached number two in 1967. "You're Ready Now", a Valli solo recording from 1966, became a surprise hit in Great Britain as part of the Northern soul scene and hit number eleven on the British pop charts in December 1970. As a solo artist, Valli scored number one hits with the songs "My Eyes Adored You" (1974) and "Grease" (1978). Valli, Tommy DeVito, Nick Massi, and Bob Gaudio â the original members of The Four Seasons â were inducted into the Rock and Roll Hall of Fame in 1990 and the Vocal Group Hall of Fame in 1999.