Holding their violins and bows, Alessio Benvenuti and Sara Gonzales walked to the “stage” cordoned off by retractable belt barriers. Within minutes they were playing Antonio Molina’s “Hating Gabi,” weaving a blanket of serenity over those present. They segued to Niccolò Paganini’s “Violin Duo,” a piece said to be not the composer’s best-known piece but...
