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The name of any interval is further qualified using the terms perfect (P), major (M), minor (m), augmented (A), and diminished (d). This is called its interval quality (or modifier [ 8 ] [ 7 ] ). It is possible to have doubly diminished and doubly augmented intervals, but these are quite rare, as they occur only in chromatic contexts.
When the terms minor, major, augmented, diminished, or the corresponding symbols do not appear immediately after the root note, or at the beginning of the name or symbol, they should be considered interval qualities, rather than chord qualities. For instance, in Cm M7 (minor major seventh chord), m is the chord quality and M refers to the interval.
Minor, major, or perfect intervals Short Augmented or diminished intervals Short Widely used alternative names Short Audio 2: Major second: M2:
A major interval is one semitone larger than a minor interval. The words perfect, diminished, and augmented are also used to describe the quality of an interval.Only the intervals of a second, third, sixth, and seventh (and the compound intervals based on them) may be major or minor (or, rarely, diminished or augmented).
The tables to the right show the changes in interval quality and interval number under inversion. Thus, perfect intervals remain perfect, major intervals become minor and vice versa, and augmented intervals become diminished and vice versa.
Secondarily, a triad's function is determined by its quality: major, minor, diminished or augmented. Major and minor triads are the most commonly used triad qualities in Western classical, popular and traditional music. In standard tonal music, only major and minor triads can be used as a tonic in a song or some
A diminished triad with a minor seventh is a half-diminished chord, usually notated either Cm 7(♭ 5) or C ø7. A diminished triad played over a root a major third away creates a Dominant 7th chord, notated C 7, with a C Major triad on the bottom, and an E° from the chord third of C (C E G B ♭). A minor third below would give a fully ...
The most common chords are tertian, constructed using a sequence of major thirds (spanning 4 semitones) and/or minor thirds (3 semitones). Since there are 3 third intervals in a seventh chord (4 notes) and each can be major or minor, there are 7 possible permutations (the 8th one, consisted of four major thirds, results in a non-seventh augmented chord, since a major third equally divides the ...