Kate 'KT' Tunstall is a Scottish singer and songwriter. She broke into the public eye with a performance on Later with Jools Holland of her song Black Horse and the Cherry Tree. She has enjoyed commercial and critical success since, selling over 4 million albums and picking up three BRIT Awards and a Grammy nomination.
Tunstall is known for her live performances, in which she combines virtuoso use of a loop pedal with a full four-piece backing band. On 5 September 2007, she performed at Apple's The Beat Goes On, at which Apple revealed their new iPod touch and a redesign of their remaining iPods. She sang Black Horse and the Cherry Tree and a new song, Hold On.