Question: Luonnotar, Op. 70, is a tone-poem for soprano and orchestra, completed by who, in 1913, was a Finnish composer and violinist of the late Romantic and early-modern periods?
Sentence (from "Luonnotar (Sibelius)"): Luonnotar, Op. 70, is a tone-poem for soprano and orchestra, completed by Jean Sibelius in 1913.
Relevant evidence: Yes