Regarded by many in the know as Italy’s most beautiful opera house, the Teatro di San Carlo offers a concert staging of Bellini’s I Puritani. Appearing there for the first time, the American bel canto specialist Lisette Oropesa gives her role debut as the fragile Elvira, mad much of the evening but merely bubbling over with joy at the final curtain. Xabier Anduaga sings her lover Arturo Talbot, a political operative skating on very thin ice. He, too, has some glorious music, none better than the luminous “A te, o cara,” a love song to make you cry. —Matthew Gurewitsch