Section outline

  • The name of any interval is qualified using the terms perfect (P), major (M), minor (m), augmented (A), and diminished (d). This is called its interval quality. (Wikipedia)

    2 3 6 7

    1 4 5 8

      augmented 

      augmented 

    MAJOR

    PERFECT

    MINOR

    diminished

    diminished


    Intervals can be classified into two groups:

    • 2, 3, 6, 7 are usually major or minor (sometimes also diminished or augmented)
    • 1, 4, 5, 8 are usually perfect (sometimes also diminished or augmented)