Relive highlights from three of Joyce DiDonato’s Carnegie Hall master classes. A favorite of audiences at the Hall and the Metropolitan Opera, the mezzo-soprano mentors young singers at the beginning of their careers, exploring many of the intricacies of operatic singing with a particular focus on arias by Handel and Puccini. Mezzo-soprano Kayleigh Decker—who participated in DiDonato’s first master class at Carnegie Hall in 2015—is now enjoying a thrilling career at Lyric Opera of Chicago and opera houses around the globe. Be there when DiDonato catches up with her in an online chat.