“We learned today that the aria ‘Nessum dorma’ performed by Luciano Pavarotti is being used (on) the Donald Trump campaign soundtrack,” wrote Nicoletta Mantovani, his widow, in a letter cosigned by Pavarotti’s three daughters. “We remind you that the values of brotherhood and solidarity that Luciano Pavarotti upheld throughout his artistic career are incompatible with the world vision of the candidate Donald Trump.”