Machinedrum Travis Stewart, better known by his stage name Machinedrum, sometimes capitalized Machine Drum, is an electronic musician and one of the artists who helped launch Merck Records. He is also the owner of New York-based Normrex Records. He has also sold rights to some of his music to Adult Swim for tracks played during some of their program interludes. His debut album was released under one of his aliases, Syndrone, and was soon licensed by European IDM label called Djak-Up-Bitch.