Kvelertak (meaning stranglehold or chokehold) is a six-piece black metal hardcore punk band from Stavanger, Norway. All lyrics are written in Norwegian, the band's native language, and concerning Norse mythology/Viking folklore. As of today, the six members are: Erlend Hjelvik (vocals), Vidar Landa (guitar), Bjarte Lund Rolland (guitar), Maciek Ofstad (guitar), Marvin Nygaard (bass), and Kjetil Gjermundrød (drums). Known for their consistent, idiosyncratic sound, the band states that their main influences are rock and roll, black metal and punk.