Imogen Jennifer Heap is an English singer, songwriter, record producer and audio engineer. She is known for her involvement in electronic music and as a member of the short-lived project Frou Frou. Born in the London Borough of Havering, Heap became classically trained in piano, cello and clarinet at a young age. She began writing songs at the age of 13 and, while attending boarding school, taught herself both guitar and drums, as well as music production on Atari computers. Heap signed to independent record label Almo Sounds at the age of 18 and later began working with experimental pop band Acacia, alongside Guy Sigsworth, as a frequent guest vocalist.