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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 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 ...
The sharpened subdominant diminished triad with minor seventh chord is represented with the Roman numeral notation ♯ iv ø 7; the root of this chord is the raised subdominant (sharpened fourth). That root also serves as the leading tone to the dominant when used in the vii ø 7 /V function described above; such a function is the diminished ...
Harmonic minor contains seven types of seventh chords: a minor major seventh chord (i m(maj7)), a half-diminished seventh chord (ii m7(−5)), an augmented major seventh chord (III aug(maj7)), a minor seventh chord (iv m7), a dominant seventh chord (V 7), a major seventh chord (VI maj7), and a diminished seventh chord (vii dim7). Natural minor ...
The jazz minor scale contains all of the altered notes of the dominant seventh chord whose root is a semitone below the scale's tonic: "In other words to find the correct jazz minor scale for any dominant 7th chord simply use the scale whose tonic note is a half step higher than the root of the chord."
In music theory, the dominant triad is a major chord, symbolized by the Roman numeral "V" in the major scale. In the natural minor scale, the triad is a minor chord, denoted by "v". However, in a minor key, the seventh scale degree is often raised by a half step (♭ to ♮), creating a major chord.
These chords are all borrowed from the key of E minor. Similarly, in minor keys, chords from the parallel major may also be "borrowed". For example, in E minor, the diatonic chord built on the fourth scale degree is IVm, or A minor. However, in practice, many songs in E minor will use IV (A major), which is borrowed from the key of E major.
In music theory, a nondominant seventh chord is both a diatonic chord and a seventh chord, but it does not possess dominant function, [2] and thus it is not a dominant seventh chord. Since the V and vii o chords are the dominant function chords, [ 2 ] the "major minor seventh" V 7 and "half-diminished seventh" vii ø 7 are the dominant seventh ...