The North End Music & Performing Arts Center has announced the details of its annual “Amore” Valentine’s Day Concert. Soprano Nina Evelyn Anderson, mezzo-soprano Mary Kray, and tenor Leo Balkovets perform works by Monteverdi, Gluck, Donizetti, Puccini, and Bizet, a well as crowd favorites from “Showboat,” “West Side Story,” and more. The night closes with a Jazz sing-along. They are {…}