Chris Willman Senior Music Writer and Chief Music CriticThe New York component of this fall’s consciousness-raising Global Citizen Festival will bring together artists as stylistically diverse as Mariah Carey, Metallica, Maneskin, Rosalia, Mickey Guyton, Charlie Puth and the Jonas Brothers — with a “bonus Jonas,” as it were, in the form of Priyanka Chopra Jonas, the activist who’ll host for the live audience in Central Park Sept. 24 as well as an ABC broadcast special the following night.The stars will shine as brightly far away from Manhattan, as well, in Accra, Ghana, where the other half of the event will go down — also on Sept.