List male quartets of the fifties?

In the 1950s, notable male quartets included The Four Freshmen, known for their intricate harmonies and jazz influences, and The Four Aces, who blended pop and traditional styles. The Platters gained fame with their unique sound that fused doo-wop and R&B, while The Four Seasons emerged later in the decade, combining rock and pop elements. These groups were influential in shaping the music landscape of the era.