The Festival del Sole concert Thursday in Napa’s Castello di Amorosa was an exception to the conventional structure of a concert. It consisted of two unrelated sections, each featuring a big star, and felt like two separate musical events. The two featured performers could not have been more different, not that there is anything wrong with that, but the concert was indeed unusual.
The biggest and best summer festival of classical music is in session, and available — free — to everyone with a computer. (Or, in the U.K.
