Primary info for this group is filed under The Four Seasons. The Four Seasons, (later known as Frankie Valli and The Four Seasons), were an American pop group, distinct from many similar groups of the early to mid-1960s in their traditional Italian-American sound. They also had a sound somewhat reminiscent of doo wop, but they were not known to be a doo wop quartet. By the later 1960s became an internationally famous rock and roll group.