Taking their moniker from the Norse mythology term for the slain warriors who are brought to Valhalla by valkyries to join Odin's table, Norway's Einherjer emerged in 1993 with a sound that combines folk, symphonic black metal, and lyrics steeped in Scandinavian and North Germanic folklore. Early adopters of the Viking metal genre, the band released their debut album, Dragons of the North, in 1996. Einherjer ceased operations in 2004, but re-formed in 2010 and went on to issue a string of acclaimed blackened Viking metal efforts, including 2014's Av Oss for Oss, which earned a...