When the film West Side Story was released in 1961, New York's reviled Puerto Rican community gained some visibility and, over time, both in Spanish Harlem and the Bronx, neighborhoods plagued by poverty, drugs and crime, Hispanic identity was reborn and strengthened, thanks to a syncretic and intentionally popular music that eventually conquered the entire city.

On the Puerto Rican diaspora, which includes renowned artists who have converted New York, Florida, Chicago, Hawaii, Santa Cruz and Dominican Republic into their second home, but with Puerto Rico in their hearts.

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.