Task: Text Categorization
Input (English): This man's only opera was The Maiden in the Tower, though a later work was originally the prelude to the never-realized opera The Creation of the Boat. He wrote incidental music to plays like Everyman and Strindberg's fairy-drama Swanwhite, while tone poems include Nightride and Sunrise and The Dryad. "A Spring in the Park" and "Three Blind Sisters" are among the eight movements of his incidental music to Pelleas et Melisande. This composer of seven symphonies honored his home province in his Karelia Suite, though he is better-known for mythical pieces like Kullervo and The Swan of Tuonela. For 10 points, name this composer of Finlandia.
Output (English): Fine Arts