Frankie Valli and The Four Seasons

Pop singer Frankie Valli was lead singer of the Four Seasons and also had a solo career with major hits like "Can't Take My Eyes Off You" and "Grease." His solo work leaned toward traditional pop, often dropping his trademark falsetto.

The Four Seasons, an iconic American pop and rock group from Newark, New Jersey, formed in 1960. They are celebrated for their distinctive blend of doo-wop, pop, and rock and roll, featuring Frankie Valli's soaring falsetto and tight harmonies. With over 25 Top 40 singles, their hits include "Sherry," "Big Girls Don't Cry," and "Walk Like a Man." The group sold over 100 million records and inspired the hit musical "Jersey Boys."