Specific Intervals

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ecific Intervals

pecific Intervals

le:///C|/Users/wendy/dwhelper/2014-07/Greg%20...usictheory.net%20files/Specific%20Intervals.htm (1 of 16) [26/08/2014 10:03:38 AM]


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pecific Intervals

Let's learn a few specific intervals.

A major secondis made up of two half steps.

C to D is a major second since it is a generic second on the staff and two half steps on the

keyboard.

E to F# would be another example of a major second.



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pecific Intervals

A major thirdis made up of four half steps.

C to E is a major third.

E to G# is also a major third.



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A perfect fourthis made up of five half steps.

C to F is a perfect fourth.

F to Bb is also a perfect fourth.



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A major sixthis made up of nine half steps.

C to A is a major sixth.

Eb to C is also a major sixth.



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Finally, a perfect eighth(or perfect octave) is made up of twelve half steps.

C to C is a perfect eighth.

The terms majorand perfectrefer to the interval's quality.

Only seconds, thirds, sixths, and sevenths can have a major quality. Firsts, fourths, fifths, and

eighths use perfectinstead.

Next, let's discuss minorintervals.

A minor interval has one less half step than a major interval.



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For example: since C to E is a major third (4 half steps), C to Eb is a minor third (3 half steps).

E to G is also a minor third (since E to G# is a major third).



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Since minor intervals transform from major intervals; only seconds, thirds, sixths, and sevenths

can be minor.

An augmentedinterval has one more half step than a perfect interval.

Since C to F is a perfect fourth (5 half steps), C to F# would be an augmented fourth (6 half step

F to B is also an augmented fourth (since F to Bb is a perfect fourth).



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Major intervals can be augmented by adding a half step.

For example, since C to A is a major sixth (9 half steps), C to A# is an augmented sixth (10 half

steps).



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Db to B is also an augmented 6th (Since Db to Bb is a major sixth).

A diminishedinterval has one less half step than a perfect interval.



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Recall that C to B is a major seventh (11 half steps) and C to Bb is a minor seventh (10 half ste

C to Bbb is a diminished seventh (9 half steps).

This chart shows the relationship among the different interval qualities.



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This chart shows the number of half steps that each specific interval contains.

pecific Intervals

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Specific Intervals

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