The word, tango, is Argentine Spanish and is believed to come from a term describing an African-American drum dance.
Bolivia has three official languages one of which is Spanish. The other are Indian languages one is called Aymara and the other is called Quechua. About one third of the people speak Spanish. But, most natural born Bolivians speak either of the two orignal native languages.
The Indigenous peoples of Bolivia are divided into two ethnic groups: the Andeans, who are in the Andean Altiplano and the valley region, and the ethnic culture of the oriental Llanos region, who inhabit the warm regions of eastern Bolivia (Gran Chaco).1  Andean ethnicities. 2  Aymaras.he ethnic distribution of Bolivia is estimated to be 30% Quechua-speaking and 25% Aymara-speaking. The largest of the approximately three dozen native groups are the Quechuas (2.5 million), Aymaras (2 million), then Chiquitano (180,000), and Guarani (125,000). 125000