(Credit: Giuseppe di Salvo) Soprano Martina Bianculli has taken first prize at the 21st edition of the Giuseppe Di Stefano International Vocal Competition in Trapani, Sicily, and will perform the role of Giulietta in Vincenzo Bellini’s “I Capuleti e i Montecchi” this summer. The competition, organized by the Ente Luglio Musicale Trapanese, concluded with a sold-out ceremony at the Sala {…}