Task: Text Categorization
Input (English): The title character of one of this man's operas sings the "Shadow Song" while chasing her pet goat, and he wrote an aria for soprano in which the insane Catherine is accompanied by Peter the Great on flute, "La, la, la, air chri. " This composer of Dinorah saw his early opera Jephtha flop, and Gaetano Rossi wrote the libretto to one of his works in which Armando rescues the sultan from Osmino and which includes a castrato role, Il crociato in Egitto. This composer of Margaret of Anjou also collaborated with Rossi on an opera in which the title characters both love Teobaldo, Romilda and Costanza. In one of this man's operas, an explosion kills the titular character, John de Leyden, and he wrote another in which Bertram offers the title character a magic bough and takes him to frolic with dead nuns, Robert le Diable. For 10 points, identify this composer of Les Huguenots and L'Africaine. 
Output (English): Fine Arts