John Butcher first worked in duo with lloopp player Christof Kurzmann in 2002, when he was invited to Berlin during Kurzmann's artist-in-residency at Podewil. Two years earlier, they had both taken part in a performance of Burkhard Stangl's opera Venusmond, in Chicago.
Recent concerts include the Nickeldorf Konfrontationen in Austria, and Ausland in Berlin.