The Cadillacs were an influential American doo-wop group that emerged in the early 1950s, known for their harmonious vocals and rhythm and blues influences. The group, which included notable members Earl Carroll and Bobby Phillips, made significant contributions to the evolution of rock and roll. They were recognized for their choreographed stage performances, which set a precedent for later acts. Their most renowned song, "Speedoo", became a standard of the doo-wop genre and helped establish The Cadillacs as one of the era's defining musical acts.