Bellini's NORMA is a landmark role for sopranos, and audiences always wait with baited breath to hear her glorious aria, "Casta Diva." But there is more to this opera, and to this role, than that famous aria. In today's episode, Nimet Habachy explores the notions of fidelity - to family, to religion, and to love - in Bellini's bel canto masterpiece.