Task: Text Categorization
Input (English): This composer revised Anton Seidl's orchestration of his piano pieces for a suite that included a new arrangement of his "Shepherd's Boy". The original version of one movement by him concludes with a male chorus singing "Kill him! Kill him!" at its climax. One work by him opens with a pentatonic melody for flute in 6/8 time over alternating E major and C-sharp minor chords. That work by him includes a mazurka for strings and triangle. He included an arrangement of his "March of the Dwarves" in his Lyric Suite. A timpani roll directly precedes the entrance of the pianist at the opening of his Piano Concerto in A minor. Incidental music he wrote spawned suites including the movements "Morning Mood" and "In the Hall of the Mountain King". For 10 points, name this Norwegian composer of the Peer Gynt Suites.
Output (English): Fine Arts