Gerald Garcia - 'Etude No. 12' from '25 Etudes Esquisses' (publisher Mel Bay). Etudes 5, 6, 21 stand out also; 23, 25 too but are more difficult.
Astor Piazzolla/arr. Augustin E. Carlevaro - 'Poema Valseado' and 'Milonga Carrieguera' from 'Maria de Buenos Aires' (publ. Tonos Musikverlags, Darmstadt).
Oscar Roberto Casares - 'Adio, querida', 'A la Nana', 'A la una naci yo' from 'Melodies Sefarades' (publ. Henry Lemoine). All eight pieces in the collection are beautiful.
Albert Harris - 'Aria' the Neo-Baroque second movement of 'Sonatina' (ed. Barbosa Lima, publ. Columbia Music).