Hannunvaakuna - Kalevala Koru Kalevala is the folk epic of Finland. Finnish was one of the biggest influences on Tolkien's Elvish. The stories are gorgeous, full of action but not as bloodthirsty as their Norse cousins.
Säkkijärven Polkka played by Jussi Marttinen Mikkeli, Finnish Accordion classic. This song was played on radio non-stop for half a year in Viipuri during the to prevent Russians from detonating their radio-controlled mines, apparently.