we're in the heart of el barrio, spanish harlem. - yes, sir, 'cause this is a historic place. this is where a majority of latin people came to new york city. - the place where salsa and music live. ♪ - for decades, people like dj agujita, a.k.a. raymond perez, have been keeping these salsa sounds alive. - this is culture. this is tradition. this event, this area, this neighborhood-- like i always say, this is not a place where you live. it's a place that lives in you. the people who have been here all of their lives, who migrated from puerto rico, like my father did in 1937, these are people who are not going anywhere. and this is their outlet. this is--these are people who walk in here in walkers and wheelchairs, and when the music starts-- ♪ they're on their feet. - it's a little miracle. - it's a miracle. it's like you look for jesus. is jesus around? no, it's not jesus. - salsa.