Isn't this, like, old? From years ago? In any case, the song itself is Finnish, written in the early 1900s. This particular arrangement is by the Finnish band, Loituma. Their version is mostly the same as the original, although the excerpt that is played for this animation is not part of the original song, but added for their specific version. The words for this part are complete gibberish, sung much like how some jazz singers, like Ella Fitzgerald, would sing scat for parts of their songs.
