Arkona (Аркона) is a Slavonic pagan folk metal band from Russia. Their lyrics are heavily influenced by Russian folklore,and Slavic mythology, and their music incorporates several traditional Russian musical instruments.
Samples:
https://www.youtube.com/watch?v=bVMquTzJHaU (The song isnt as long as the video)
https://www.youtube.com/watch?v=BaP1wDvkA6E
Ive been enjoying the band quite a bit lately, rather folky but still rather good.