Metal bands have long drawn inspiration from local mythology to enrich their music, and in Finland, this is particularly evident in the use of themes from the Kalevala, the Finnish national epic.
Bands such as Turisas, Ensiferum, and Amorphis have incorporated elements of the Kalevala to enhance their musical narratives and connect with deep cultural roots. These bands often reference the epic's characters, themes of heroism, and the clash between natural and supernatural forces, which resonate strongly within the context of Finnish identity and history.
This blending of mythology with metal is not only a way to connect with local cultural narratives but also serves to create a powerful, otherworldly atmosphere in the music, offering fans both a modern and a mythical experience. You can explore more about how mythology is integrated into metal music in these contexts through academic sources or fan-based discussions.
For further insight, read this paper that discusses the influence of the Kalevala in Finnish metal.