 Luleå is also home to hardcore punk band Raised Fist, melodic death metal band The Duskfall, power metal band Machinae Supremacy and death 'n' roll band Helltrain.One of the largest winter festivals in Luleå is the indoor Minus 30-festivalen, held at Kulturens hus (the House of Culture) annually on a Saturday in mid-March.Luleå Hamnfestival (Luleå harbor festival) is a big summer event in the center of Luleå, mostly centered around the north harbor.