sentences:  Important Afro-Argentine musical figures include the pianist and composer Rosendo Mendizabal, author of "El Entrerriano", as well as Carlos Posadas, Enrique Maciel (author of the music of the waltz "La Pulpera de Santa Lucía"), Cayetano Silva, born in San Carlos (Uruguay) and author of the San Lorenzo march, and Zenón Rolón, who wrote the 1880 funeral march in honour of the Liberator José de San Martín on the occasion of repatriation of his remains.During colonial times the local population unofficially described different mixtures resulting from the union of Black African people with people of other ethnic origins as