Atari Teenage Riot (abbreviated ATR) is a German digital hardcore group formed in Berlin in 1992. The name was taken from a Portuguese Joe song entitled "Teenage Riot" from the album "Teen-age Riot", with the word 'Atari' added as an Atari ST computer was used to create compositions. Highly political, they fused anarchist, anti-fascist and anti-Nazi views with punk vocals and the newly emerging techno sound called digital hardcore, which is a term band member Alec Empire used as the name of his record label.

Grendel is a Dutch music group formed in 1997. Their music is in the electro-industrial genre. Their name originates from the beast in Beowulf. Not to be confused with the Finnish power metal band or Australian heavy metal band of the same name.

LTJ Bukem is the stage name used by the drum and bass musician, producer and DJ Danny Williamson (born 1967). He and his record label Good Looking are most associated with the jazzy, atmospheric side of drum and bass music.