The Original Cadillacs were an American doo-wop group from the 1950s, recognized for their contributions to the rhythm and blues genre. Known for the distinctive lead vocals of Earl Carroll, the band achieved fame with hits like "Speedoo," and "Gloria," establishing their unique sound characterized by tight harmonies and upbeat tempos. Their significance in music history is marked by their influence on the development of rock and roll, and their induction into the Vocal Group Hall of Fame in 2004. Despite several changes in lineup, The Original Cadillacs have left an enduring legacy in the world of American popular music.