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♭E大调第五钢琴协奏曲(“皇帝”,作品73)。
The Piano Concerto No. 5 in E-flat major, op. 73 by Ludwig van Beethoven, popularly known as the "Emperor Concerto", was his last piano concerto.It was written between 1809 and 1811 in Vienna, and was dedicated to Archduke Rudolf, Beethoven's patron and pupil. The first performance took place in December 1810 in Leipzig.