Tommy McLain is an American singer-songwriter best known for his contribution to the swamp pop genre, a unique blend of country, soul, and New Orleans rhythm and blues. He gained significant recognition with his 1966 cover of "Sweet Dreams," which reached #15 on the U.S. Billboard Hot 100. McLain's distinctive sound is characterized by his soulful, high-pitched vocals and the incorporation of the traditional Louisiana music style into his work. His influence in the swamp pop genre has earned him a significant place in the history of American music.