Task: Text Categorization
Input (English): This composer was convinced to add a jovial coda to his final symphony, which originally ended with the melancholy ticking of the glockenspiel and xylophone, while he derived the structure of his second symphony from Beethoven's last piano sonata. In addition to creating The Children's Symphony, the first movement of this composer's sixth symphony features an oboe theme marked "dolce e segnando," which reappears as a reminder of the "pains of war" in the final movement written in the ostensibly cheerful key of E-flat major. This composer's best-known symphony opens with a modern version of the "Mannheim Rocket" before the main theme is surprisingly repeated not in the expected dominant key of D-major but a whole tone lower in C Major. This composer uses a clumsy Gavotte instead of the graceful minuet in the third movement of his first symphony written in 1917 "in the style of Haydn. " For 10 points, name this composer of the Classical Symphony who included a noted "troika" movement in his suite about the fictional officer Lieutenant Kije and he also wrote Peter and the Wolf.
Output (English): Fine Arts