Singer Español `` lived Sunday to the fullest , '' her son says . `` Her voice always carried a profound message of social engagement through folk-roots music , without prejudice , '' according to the Web site . She had suffered from liver , kidney and heart ailments , the Congress of the Nation in Buenos Aires reports . `` Her voice always carried a profound message of social engagement , '' her site says . Viewing to be held her 74 years at Washington Post .
Singer Español `` lived Sunday to the fullest , '' her son says . She had suffered from liver , kidney and heart ailments , the Congress of the Nation in Buenos Aires reports . `` Her voice always carried a profound message of social engagement , '' her site says . Viewing to be held her 74 years at Washington Post .