The opera consists of three parts and the historical foundation of the opera is the character Arnljot Gelline that is mentioned in Snorri Sturluson saga about Olav Haraldsson (den Helige, Rex perpetuus Norvegiae) and the writings on Frösöstenen, the rune stone that is placed on Frösön.
[2] However, Wilhelm Peterson-Berger had already two years earlier allowed amateurs to perform parts of the texts and music on Frösön on a midsummer night eve.
The quote below serves as an inspiration for the present-day independence movement (an established cultural institution) that exists in the Swedish province of Jamtland.
This country, being protected by forests, bogs and mountains, is difficult to raid and easy to defend.
/ Sigurd in Slandrom, one of the chieftains in Jämtland supporting Arnljot as king, at the "thing" on Frösön, act I, June 1025.