Both vocally and rhythmically they developed a “sauce” of Caribbean songs
Puerto Rico got its heritage of "bomba" and "plena", that percussionist Rafael Cortijo, commander of a conjunto since 1954, have added trumpets and saxophones (El Bombon De Elena). Their conjunto and his husky vocalist Ismael Rivera (El Nazareno, Quitate de los angeles thru Perico), notorious when it comes to improvised call-and-response vocals on the "sonero" heritage, harked back once again to the African origins of Caribbean audio without having any difference between styles.