Esquinas is an orchestral composition by the Mexican composer Silvestre Revueltas, written in 1931 and extensively revised in 1933. The first version is in two movements with a duration of about 11 minutes in performance; the second is variously described as being in one or in three movements with a total duration of about seven minutes.
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Argentina is a massive South American nation with terrain encompassing Andes mountains, glacial lakes and Pampas grassland, the traditional grazing ground of its famed beef cattle. The country is famous for tango dance and music. Its big, cosmopolitan capital, Buenos Aires, is centered on the Plaza de Mayo, lined with stately 19th-century buildings including Casa Rosada, the iconic, balconied presidential palace.

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