Clay Aiken is an American singer and television personality who rose to fame as the runner-up on the second season of "American Idol" in 2003. His music encompasses pop and contemporary styles, often featuring strong, emotive vocals and piano accompaniments. Aiken's debut album, "Measure of a Man," reached number one on the Billboard 200, marking a significant achievement in his career. His distinctive, clear tenor voice and boy-next-door image underpin his enduring appeal in the pop music industry.