Music "Tango negro", a denied history KUNM Published January 17, 2013 at 11:05 AM MST Facebook Email Print "Tango Negro", by Juan Carlos Cáceres (Cover of the book) Mon. Jan. 21st, 9:30pm: We´ll celebrate Martin Luther King´s anniversary remembering the contribution of Africans to give birth to tango in the outskirts of Buenos Aires.