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Hamony, music: Pythagoras' experiment.
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Learn about this topic in these articles:

  • harmony

    …octave, the fifth, and the fourth. (An octave, as from C to the C above it, encompasses eight white notes on a piano keyboard, or a comparable mixture of white and black notes. A fifth, as from C to G, encompasses five white notes; a fourth, as from C to…

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    …octave, the fifth, and the fourth. (An octave, as from C to the C above it, encompasses eight white notes on a piano keyboard, or a comparable mixture of white and black notes. A fifth, as from C to G, encompasses five white notes; a fourth, as from C to…

    Read More
  • Al-Ḥākim Mosque
    Islamic arts
    / Melodic organization

    …even the perfect consonances, the fourth and fifth.

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    …even the perfect consonances, the fourth and fifth.

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