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1. third Ludwig van Beethoven in his family
2. studied with Mozart's teacher Franz Haydn
3. They don't know really why he became deaf

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Beethoven Sonata #2 Op. 2 No 2 A major. Valentina Lisitsa

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Beethoven: "Moonlight" Piano Sonata No. 14, Op 27/2 - I. Adagio sostenuto (Official video)