Imogen Heap

Imogen Jennifer Heap (; born 9 December 1977 in the London Borough of Havering) is an English singer, composer and songwriter. She is known for her work as part of the musical duo Frou Frou and her solo albums, which she writes, produces, and mixes. She has produced three solo albums, the latest of which is the 2009 Ellipse, a North American chart success that earned Heap two Grammy nominations, winning Best Engineered Album, Non-Classical.

source: Wikipedia