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The diminished triad also contains a tritone in its construction, deriving its name from the diminished-fifth interval (i.e. a tritone). The half-diminished seventh chord contains the same tritone, while the fully diminished seventh chord is made up of two superposed tritones a minor third apart.
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.
Augmented and diminished intervals on C: d2 ⓘ, A2 ⓘ, d3 ⓘ, A3 ⓘ, d4 ⓘ, A4 ⓘ, d5 ⓘ, A5 ⓘ, d6 ⓘ, A6 ⓘ, d7 ⓘ, A7 ⓘ, d8 ⓘ, A8 ⓘ Augmented intervals are wider by one semitone than perfect or major intervals, while having the same interval number (i.e., encompassing the same number of staff positions): they are wider by a ...
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). Unisons, fourths, fifths, and octaves and their compound interval must be perfect (or, rarely, diminished or augmented). In Western music, a minor chord "sounds darker than a major ...
The leading-tone diminished triad and supertonic diminished triad are usually found in first inversion (vii o 6 and ii o 6, respectively) since the spelling of the chord forms a diminished fifth with the bass. [6] This differs from the fully diminished seventh chord, which commonly occurs in root position. [8]
For example, a German sixth chord E ♭-G-B ♭-C ♯-E ♭ ' exhibits a diminished third between C ♯ and E ♭ ' which complements the augmented sixth between E ♭ and C ♯. The just diminished third arises in the extended C major scale between F ♯ and A ♭, [6] Play ⓘ and between B and D ♭.
An augmented chord is one which contains an augmented interval, almost invariably the 5th of the chord. An augmented triad is a major triad whose fifth has been raised by a chromatic semitone; it is the principal harmony of the whole tone scale. For example, the D ♭ augmented triad contains the notes D ♭ —F—A.
The augmented chord on I may contain the major seventh (I 7 5 (Play ⓘ) or I 6 5 (Play ⓘ)), while the augmented chord on V may contain the minor seventh (V 7 5 (Play ⓘ), V 6 5 (Play ⓘ), or V 4 3 (Play ⓘ)). [1] In C: C–E–G ♯ –B and G–B–D ♯ –F. The augmented triad on the V may be used as a substitute dominant, and may ...