Task: Text Categorization
Input (English): The Pergola commissioned this man to write an opera on the life of Skanderbeg, and he drew upon his Kyrie for two movements of the Madrigalesque Concerto. He dedicated a set of Concerti to Charles VI called La Cetra, and Vettor Delfion was the dedicatee of his La estravaganza. The Ryom-Verzeichnis catalog is used to index this man's works, including twelve concerti called L'estro Armonico. His best-known works precede "The Hunt" and "The Sea Storm" in The Contest Between Harmony and Invention. For 10 points, name this Italian composer known as "The Red Priest", whose four concerti "Spring," "Summer," "Autumn," and "Winter" make up The Four Seasons.
Output (English): Fine Arts