(1937– )
a US pop singer with a high voice. His group, The Four Seasons, formed in 1956 and still sing together. They were chosen for the Rock and Roll Hall of Fame in 1990. They had hits in the 1960s with Sherry and Big Girls Don’t Cry . Valli has also had hits singing alone with Can’t Take My Eyes Off You (1967) and the title song for the film Grease .