Performed by the Philadelphia String Quarter. This video and recording are free to reuse under a creative commons license. Audio is available for download here:
picture is of Santiago, Chile.
Gustavo Becerra-Schmidt (August 26, 1925 – January 3, 2010) was a Chilean composer.
Becerra-Schmidt lived in Germany since 1973 and taught at Oldenburg University since 1974. Becerra was the most prolific Chilean composer. His catalogue includes hundreds of compositions that goes from the most traditional to the most avant-garde, from popular songs to large scale cantatas, symphonies and oratorios.
(wiki)
