Question: Wie bist du, Frühling, gut und treu ("Springtime, how good and faithful you are"), WAB 58 is a lied composed in 1856, by which Austrian composer best known for his symphonies, masses, and motets?
Sentence (from "Anton Bruckner"): Bruckner's compositions helped to define contemporary musical radicalism, owing to their dissonances, unprepared modulations, and roving harmonies.
Relevant evidence: No