Nice reaction. If you like this type of music, I suggest a song that is the result of a perfect combination of folk and metal - Faun & Eluveitie - Gwydion or something that may seem very exotic, but sounds great, the Japanese band Wagakki Band. I suggest the song Wagakki Band(和楽器バンド): Moon Shine-Hall Tour 2017 Shiki No Irodori. Enjoy listening :)
Film the reaction to the song "Ящер" (Dragon, Dinosaur, Big Lizard) by the group "Ivan Kupala". This musical group uses ancient elements of pagan cult singing.