text: This composer's Opus 10 is made up of 6 flute concertii. Another set of concertii written by this composer in his Opus 4 was dedicated to nobleman Victor Delfin and is known as La stravaganza.
full_question: This composer's Opus 10 is made up of 6 flute concertii. Another set of concertii written by this composer in his Opus 4 was dedicated to nobleman Victor Delfin and is known as La stravaganza. A more famous set of violin concertii by this composer is a concerto for Four Violins included in his L'Estro Armenico. For 10 points, name this Italian composer who also included a set of violin concertii in the Contest Between Harmony and Invention included in the Four Seasons.
first_sentence: This composer's Opus 10 is made up of 6 flute concertii. Another set of concertii written by this composer in his Opus 4 was dedicated to nobleman Victor Delfin and is known as La stravaganza.