Jan St. Werner is a German avant-garde musician and experimental sound artist, best known for his work as part of the electronic group Mouse on Mars. He has also released several solo albums and collaborated with various artists in the experimental music scene. His work is often characterized by a fusion of electronic and acoustic sounds, as well as a focus on abstract textures and sonic manipulation. Werner's music has been praised for its innovative approach and its ability to challenge traditional notions of genre and form.