In 2001, Doerck became a live/touring member of Matmos when they toured with Björk as an opening act, in addition to playing as supporting musicians in her band on the Vespertine tour.
He is mainly known for designing Björk's iconic swan dress, which the singer wore many times: on the Vespertine album cover, for the Vespertine Tour, for the 2000 Cannes Festival and for the 2001 Academy Awards.