Frankie Valli (born Francesco Stephen Castelluccio, May 3, 1934 First Ward, Newark, New Jersey) is an American musician, most famous as Frontman of The Four Seasons. Valli, along with Tommy DeVito, Nick Massi, and Bob Gaudio, the original members of The Four Seasons, were inducted into the Rock and Roll Hall of Fame in 1990 and the Vocal Group Hall of Fame in 1999.
His best known solo recording, though, is "Can't Take My Eyes off You", which reached number two in 1967. "You're Ready Now", a Valli solo recording from 1966, became a surprise hit in England, as part of the Northern soul scene and hit number 11 on the British pop charts in December, 1970.
"Grease" is the title song for the musical motion picture Grease, which was based on the stage play of the same name. The song was sung by Frankie Valli and was featured twice on the film's soundtrack; as the first track, and reprised as the final track. It became a number one single in the United States during 1978. The song was written by Barry Gibb of the Bee Gees; that group would later perform the song in concert, as captured on their live offering One Night Only.In 1978 he sold two million copies of the Barry Gibb -composed theme song from Grease. [wikipedia]