text: Casa de la Mesica ( salsa ; Avenida 35 and Calle 20 , Miramar ) , Casa de la Trova ( San Lazaro between Gervasio and Belascoan , Central Havana ) , and El Zorro y el Cuevo , ( jazz ; Calles 23 y O , Vedado ) .
  
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  These addresses are home to the most infamous drug lords in Cuba .