Music Literacy
Basic Music Theory
Introduction
The Basics
The Major Scale
Key Signature
Intervals
Chords
Minor Keys
Application
Conclusion






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Interval Quality

An interval is further described by its quality.  The intervals below can be divided into two groups, primary and secondary, as shown in the following chart.

Intervals

Primary Secondary
unison 2nd
4th 3rd
5th 6th
octave 7th

Primary intervals can be perfect, augmented, or diminished.

Secondary intervals can be major or minor.  (They can also be augmented or diminished, but we won't cover those in this course.)

Click on the next lesson to learn more.


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