1 Interval number


An interval is the distance between two pitches. They can be melodic (played one after another) or harmonic (played simultaneously). All intervals are identified by number size and quality.


melodic interval:


harmonic interval:


Interval number

An interval is named by its number size–the number of scale steps it encompasses, including the first note as “1.” Thus, C up to E would be a third; G up to F would be a seventh; and E up to A would be a fourth.


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