Don Ramiro has found the bracelet and knows whom he is looking for, and the aria is the prince letting the tenor out: a vow to find her again delivered at the top of the voice, with the register Rossini wrote for singers who could carry high notes in full chest. It stands late in the second act of La Cenerentola, first heard in Rome in January 1817, and it is the number that turns a comedy of disguise into something briefly heroic before the heroine reclaims the stage.