This work investigates the musical representation of Finnish mythology through the symphonic poem format. Jean Sibelius, a central figure in Nordic classical music, composed this piece as part of the Lemminkäinen Suite, drawing heavily from the Kalevala epic. The score serves as a technical exploration of orchestral color, specifically utilizing the English horn to evoke the mournful atmosphere of the underworld river Tuonela.

This composition is widely regarded as a cornerstone of the late Romantic orchestral repertoire, noted for its atmospheric density and innovative use of woodwind textures. The score provides a definitive look at Sibelius's mastery of orchestration and his ability to translate mythological narratives into complex musical structures.