Task: Text Categorization
Input (English): In one of this composer's works, the pianist's right hand constantly plays octave tremolos in the movement "Con mortuis in lingua morta." This composer used a drone G-Sharp in a six-eight movement of that work to depict an "Old Castle." Octave E-Flat major scales imitate bells in the last movement of that work by this composer, depicting "The Great Gate of Kiev." Ravel orchestrated that suite by this composer, which includes several versions of its first movement, "Promenade." For 10 points, name this member of the Mighty Five, the Russian composer of Pictures at an Exhibition.
Output (English): Fine Arts