Hardcore techno has given us donk, electronica has skweee, and now heavy metal can boast the addition of its own onomatopoeic microgenre: djent. The sound of a heavily digitally processed power chord, djent is the name for the elastic, syncopated guitar riff beloved of a new breed of progressive metal musicians. So far, so muso – but the interesting thing about djent is that this scene doesn't exi