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In music, a minor seventh chord is a seventh chord composed of a root note, a minor third, a perfect fifth, and a minor seventh (1, ♭ 3, 5, ♭ 7). In other words, one could think of it as a minor triad with a minor seventh attached to it. [2] For example, the minor seventh chord built on A, commonly written as A− 7, has pitches A-C-E-G:
The remaining third, fifth and seventh of that chord form a diminished triad (whose new root is the third of the former chord), to which a diminished seventh can be added. Thus, in C (major or minor), a dominant seventh chord consisting of G–B–D–F can be replaced by a diminished seventh chord B–D–F–A ♭.
Diminished seventh chord (leading-tone and secondary chord) Play ... 0 3 7: Minor Minor chord: Play ...
The half-diminished seventh chord is frequently used in passages that convey heightened emotion. For example, the "mournful affect" [5] of the sombre opening Chorus of J. S. Bach's St Matthew Passion (1727) features the chord on the seventh beat of its first bar and on the first beat of its third bar:
The dominant seventh (V7) chord G7=(G,B,D,F) increases the tension with the tonic (I) chord C. Adding a minor seventh to a major triad creates a dominant seventh (denoted V7). In music theory, the "dominant seventh" described here is called a major-minor seventh, emphasizing the chord's construction rather than its usual function. [27]
C – Am – Dm – G 7. This chord progression instructs the performer to play, in sequence, a C major triad, an A minor chord, a D minor chord, and a G dominant seventh chord. In a jazz context, players have the freedom to add sevenths, ninths, and higher extensions to the chord. In some pop, rock and folk genres, triads are generally ...
The half diminished scale is a seven-note musical scale.It is more commonly known as the Locrian ♯ 2 scale [1] or the Aeolian ♭ 5 scale, names that avoid confusion with the diminished scale and the half-diminished seventh chord (minor seventh, diminished fifth).
With chord letters used to indicate the root and chord quality, and add 7, thus a seventh chord on ii in C major (minor minor seventh) would be d 7. [ 1 ] As with dominant seventh chords, nondominant seventh chords often resolve by stepwise progression around the circle of fifths —that is, by intervals of a descending fifth (clockwise) or ...