Ástor Piazzolla (March 11, 1921 in Mar del Plata – July 4, 1992 in Buenos Aires) is widely considered the most important tango composer of the latter half of the twentieth century. His compositions revolutionized the traditional tango with a modern style — incorporating elements from jazz and classical music in a style termed nuevo tango. He was also a formidable bandoneón player, and often performed his own compositions with different ensembles.

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