Drownedrat has 1 Tarmvred concert.

Johansson got his start musically by making his own remixes of tracks by Skinny Puppy and posting them online under the name Triptamine, in 1998. In 2001, Johansson finished recording an album called Ileus that he self-released as a CDR under the name Tarmvred, with remixing by Hedberg, credited as Digidroid. Around the same time, Johansson came into contact with Nicolas Chevreux who invited him to sign with a new label Chevreux was starting called Ad Noiseam.