Kvelertak are a Norwegian heavy metal band from Stavanger, formed in 2007. The group comprises vocalist Ivar Nikolaisen, guitarists Vidar Landa, Bjarte Lund Rolland and Maciek Ofstad, bassist Marvin Nygaard and drummer Håvard Takle Ohr. Founding member and lead singer Erlend Hjelvik left the group in 2018,[8] being replaced by Ivar Nikolaisen.[9] Most of Kvelertak's songs have Norwegian lyrics, and their main influences are rock and roll and punk rock.