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"): Jean Sibelius ( ;    ), born Johan Julius Christian Sibelius (8 December 186520 September 1957), was a Finnish composer and violinist of the late Romantic and early-modern periods.
Relevant evidence: Yes