Lorenzo Bianconi is a professor of musical dramaturgy at the University of Bologna, Italy. He is the author of "Music in the Seventeenth Century. Giorgio Pestelli is a professor of music history at the University of Turin, Italy, and music critic for "La Stampa. He is the author of "The Age of Mozart and Beethoven. Together they edited "Opera Production and Its Resources and "Opera on Stage, both books in "The History of Italian Opera series published by the University of Chicago Press.