Task: Text Categorization
Input (English): One work by this composer was written for cellist Wilhelm Fitzenhagen and includes seven variations on a rococo theme. One opera by this man includes a famous "letter scene" in which Tatyana writes to the title character, who kills Lensky in a duel. This composer of Eugene Onegin used the celesta to depict the "Dance of the Sugar Plum Fairy" in a work in which the title object leads an army of gingerbread soldiers. For 10 points, name this Russian composer of the ballets Swan Lake and The Nutcracker.
Output (English): Fine Arts