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 "Jean Sibelius"): He is widely recognized as his country's greatest composer and, through his music, is often credited with having helped Finland to develop a national identity during its struggle for independence from Russia.
Relevant evidence: No