 Although the majority of Viking metal bands ... limit themselves primarily to textual borrowings , many others can be additionally classified as musically evocative of the Vikings . Unlike folk metal bands drawing from other mythologies , bands using Norse mythology as text have no musical @-@ historical examples to augment their illusion . This has led to the creation of an ahistorical ' Viking music ' that is used in tandem with the metal style to conjure up appropriate images . 
