sentences:  The "solares", also known as "cuarterías", were large houses in the poor dock neighborhoods of Havana and Matanzas.Many of the important figures in the history of rumba, from Malanga to Mongo Santamaría were raised in "solares".Slavery was abolished in 1886 and first-generation of free black citizens were often called "negros de nación", a term commonly found in the lyrics of rumba songs.