Finlandia Hymn by Jean Sibelius, is one of the most important national songs of Finland. With different words, it is also sung as a Christian hymn (Be Still, My Soul).
https://www.youtube.com/watch?v=adKwG9ZuzFw
[video=youtube;EPDPUoxylP4]https://www.youtube.com/watch?v=EPDPUoxylP4[/video]