Finland is one of my favourite countries, I’ve visited there many times and although I don’t know the song you are referring to I also have a strange fascination with the culture, the heavy metal scene, the architecture of Helsinki, the forests and of course the lakes, but likewise, I don’t know much about it really either.
My friend there has a summer house in the north, the middle of nowhere, surrounded by endless birch forest, herds of deer. It’s beautiful. I found a few photos:
I particularly liked the heating system that comprises a large box of bricks (say 6ft square?) with a regular sized fire place that runs the full depth. The idea being that you light a fire at the front, gradually add fuel pushing the embers back a little at a time until the fire is ‘full’. then let it go out. The heat is stored in the bricks and is then slowly released to maintain a warm and comfortable 20 degrees for a few days. It takes ages to get going, but once it is releasing the heat it works extremely well and makes very efficient use of the fuel. Here’s a photo of my friend next to the fire:
And the summer house environs:
I have always loved sauna, one day I hope to build my own, but in the mean time this film does a very good job of good job of representing the culture:
Bizarrely I learned to snowboard (not that I am any good - at all) in Luosto while staying at the amethyst spa