Storsjöyran or just Yran (literal meaning: The Great Lake Giddy Festival) is an annual Swedish musical event going back to the early sixties. Festival history. The festival was started in honor of the ancient can-do spirit of the people of Jämtland and to show the rest of Sweden that although this region is sparsely populated, its people have the zest, courage and knowledge to create a festival of international size and standard.
https://en.wikipedia.org/wiki/Storsj%C3%B6yran