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17 Cards in this Set
- Front
- Back
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Where does the word interval come from?
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The word interval comes from the Latin "intervallum" and means "the space between two walls".
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What is a musical interval?
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A musical interval is the distance between two pitches.
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What is meant by the phrase, "the distance between two pitches"?
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When we speak of the distances between two pitches, we are simply comparing how much higher or lower one pitch is to another.
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What do intervals look like on the keyboard?
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On the piano keyboard, an interval is the distance from one key to some other key.
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What do intervals look like on the staff?
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On the staff, an interval is the distance from one line or space to some other line or space.
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What is a melodic interval?
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A melodic interval is two pitches heard separately.
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What is a harmonic interval?
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A harmonic interval is two pitches heard simultaneously.
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What is a ratio?
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A ratio is a comparison of two quantities.
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Who was Pythagoras?
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Pythagoras was a Greek philosopher and mathematician who lived from 570-495 BC.
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What is a monochord?
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A monochord is an ancient instrument with one string, used as a device to measure the ratios between pitches.
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What did Pythagoras discover?
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Pythagoras discovered that musical pitches have certain mathematical ratios to one another.
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What ratio produces the interval of an octave?
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The ratio of 2 to 1 produces the interval of an octave.
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What ratio produces the interval of a 5th?
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The ratio of 3 to 2 produces the interval of a 5th.
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What ratio produces the interval of a 4th?
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The ratio of 4 to 3 produces the interval of a 4th.
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What is a consonance?
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A consonance is pitches that sound well together.
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What is a dissonance?
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A dissonance is pitches that do not sound well together.
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Can consonance and dissonance be measured?
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Consonance and dissonance can be measured by the simplicity of the ratio; the simpler the ratio, the stronger the consonance.
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