Ahmet Erdogdular

        Ahmet Erdogdular, left, and Yurdal Tokcan at Zankel Hall.Ian Douglas for The New York Times   A Virtual Handshake Midway through its concert of love scenes from Venetian opera on Feb. 14, the period-instrument ensemble Il Pomo d’Oro performed an instrumental sonata by the 17th-century composer Dario Castello. On one note […]