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DNA的二级结构是
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Beethoven was a crucial figure in the transition between the Classical and Romantic eras in western art music and remained one of the most famous and influential composers.
Born in Bonn, 1770, Beethoven showed his talent for music at an early age and was taught by his father.
During this period, he composed many works referred to as “heroic” , which was inspired by emotion and the ideals of heroism.
Works, composed during this period, are characterized by their intellectual depth, their formal innovations, and their intense, highly personal expression, such as the Ninth Symphony.
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