Konrad Mathieu is a bass guitar player, double bass player, and singer from Cologne, Germany. He is credited with working with Acoustic Alchemy, Ronald Shannon Jackson, Red Crayola, Lassie Singers, Rainbirds, King Køng, Neu!, M. walking on the water, Whirlpool Productions, Achim Reichel, Piet Klocke, Ulla Meinecke, Boys in Trouble among others and toured on five continents. He retired from playing professionally in the late 90's to focus on his internet firm.