Complex sentence: On 20 May 1920, he was awarded a Golden Medal by the National University of Buenos Aires, where he became friends with composer Antonio José Martínez Palacios, who dedicated some guitar compositions to Sáinz de la Maza.
Split into simpler sentences: On 20 May 1920, he was awarded a Golden Medal by the National University of Buenos Aires. There he became friends with composer Antonio José Martínez Palacios, who dedicated some guitar compositions to Sáinz de la Maza.