DUBAI, United Arab Emirates -- Superstar Alicia Keys on Friday debuted her new album live in front of a packed crowd at the world’s fair in Dubai — a lively pop performance full of soaring vocals and piano solos.“We can live on the air,” she crooned from beneath the vast shimmering dome at Dubai’s Expo, a fortified stage ringed by riveted — and COVID-19 vaccinated — fans bouncing, grooving and nodding to the beat.