Frankie Valli & The Four Seasons

During their nearly 40-year career, Frankie Valli and the Four Seasons have sold over 100 million records, making them the most long-lived and successful white doo-wop group. Lead singer Valli (whose three-octave range and falsetto are the group's trademark) has also maintained a successful solo career.

Valli, sometimes billed under his real name and later as Valley (after Texas Jean Valley, a...