Task: Text Categorization
Input (English): His incidental music includes some for The Widow of Valencia by Lope de Vega, and his first foray into ballet was Happiness, to be followed by Spartacus. His first work was a piece dedicated to his mother called The Song of the Wandering Ashugh. In another of his ballets, Giko is killed and the titular daughter of Avanes, a collective farm leader, safeguards precious geological secrets. For 10 points, name this composer whose Gayane contains the iconic Sabre Dance, the namesake of the Grand Concert Hall of Yerevan and hero of twentieth-century Armenian culture.
Output (English): Fine Arts