Mardis Gras, New Orleans, 2014Photography by Ted DwaneEach American city has an identity. New York is the city that never sleeps; LA is Hollywood; Chicago has wind; San Francisco has Silicon Valley billionaires. And New Orleans? New Orleans has the music. Music runs through its foundations, defying clichés in its ubiquity. It floats from windows, reverberates from front porches and, once a year during the annual Mardi Gras parade, it marches down the street in an expl...