How many keys are there in a modern piano?
64
88
102
110
A modern piano has 88 keys. This covers a wide range of seven octaves plus a minor third. Only one instrument spans more octaves: a pipe organ (up to ten).
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Answers by country
64
88
102
110
answers
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33
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51
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57
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526
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238
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29
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59
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15
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17
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14927
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126
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75
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20