Mata del anima sola has two distinct sections: one slow and meditative, and the other very quick and rhythmic based on a combined 3/4 and 6/8 meter which is characteristic of a dance called joropo.  The music depicts the solitude and mystery of the llanos, the high plains of Venezuela, while the tenor solo the llanero or "man of the plains" whose songs are improvised.  See also the satb voicing (S-38).