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Astor Pantaleón Piazzolla (Spanish:, Italian:; March 11, 1921 – July 4, 1992) was an Argentine tango composer, bandoneon player, and arranger. His works revolutionized the traditional tango into a new style termed nuevo tango, incorporating elements from jazz and classical music. A virtuoso bandoneonist, he regularly performed his own compositions with a variety of ensembles.In 1992, American music critic Stephen Holden described Piazzolla as "the world's foremost composer of Tango music".