Roberto García Morillo (1911-2003), an Argentine composer, musicologist, and music critic, unlike Ginastera, did not directly incorporate elements of regional music into his own works. One characteristic feature of Morillo's compositions is a generally primitive impression created by strong rhythms and persistently repeated accompaniment figures. Perhaps consciously, in this piece as well, fast passages with alternating left and right hands are persistently repeated, and a low bass line with strong accents is employed.