As part of his effort to 
As part of his effort to popularize music, he founded the Festival of Two Worlds at Spoleto. He wrote his first opera, The Death of Pierrot, as a teenager, following that with the ballet Sebastian, the short operas The Medium and The Telephone, and his first full-length work, The Consul. In addition to writing original works, he was a librettist for other composers, writing for Samuel Barber's Vanessa. For 10 points—name this Italian-American composer of Amelia Goes to the Ball and Amahl and the Night Visitors.
As part of his effort to popularize music, he founded the Festival of Two Worlds at Spoleto.