I loved this, by the way. She seems so genuinely excited, and the camera constantly focuses on the bass playing that one marvelous note. Amazing.
Old_Zircon Finland is almost always a good search term.
At my first job in 10th grade my boss was an elderly, accordion autodidact from Finland and she pretty much sold me on it as a major untapped source of weirdness even back then. I think it has to do with the something like 7 months of darkness every year.
Old_Zircon All that said, though, I just Googled Elle Yana and it turns out she's actually from the Netherlands.