Watch Our Latin Thing (Nuestra Cosa) for Free: How to Stream the Movie Online at 123Movies. . Leon Gast's musical documentary reveals New York City's Latin culture and features live performances of salsa greats The Fania All Stars and The Spanish Speaking People of New York. A document of urban American Hispanic culture, Gast's film captures the rhythms of New York's Spanish Harlem, from illegal cockfights and Santeria rituals to the rooftops and backstreets of El Barrio and the legendary musicians performing at the Cheetah club.