T.raumschmiere is the stage name of German electronic musician Marco Haas. He is known for his energetic and sometimes chaotic live performances that often incorporate elements of punk and techno music. His music has been described as a "confrontational assault on the senses" and has earned him a following in the underground techno scene. He has been active since the late 1990s, and has released several albums and EPs on labels such as Kompakt, Shitkatapult, and NovaMute.