For 10 points, name the composer of The Firebird and The Rite of Spring.
This composer wrote a ballet in which the title character obtains a golden mask after descending to Hades to retrieve his wife Eurydice. That ballet, Orpheus, was written during this composer's neo-Classical period, during which he also produced the Dumbarton Oaks Concerto. Prince Ivan defeats the evil Kastchei with the help of the title avian in another of this composer's ballets, while his most famous ballet depicted "Scenes from Pagan Russia" and sparked a riot at its premiere in Paris. For 10 points, name the composer of The Firebird and The Rite of Spring.
This composer wrote a ballet in which the title character obtains a golden mask after descending to Hades to retrieve his wife Eurydice.
Igor {Stravinsky}