Clarke Isaac Hanson was born on November 17, 1980 in Tulsa, Oklahoma. He is the eldest of the three brothers in Hanson, and was eleven when the band started in 1992. He sings both backup and lead vocals, and plays electric and acoustic guitar, as well as the piano, bass and the synthesizer. Description above from the Wikipedia article Hanson, licensed under CC-BY-SA, full list of contributors on Wikipedia.