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Minor major seventh chord. A minor major seventh chord, or minor/major seventh chord (also known as the Hitchcock Chord) is a seventh chord composed of a root, minor third, perfect fifth, and major seventh (1, ♭ 3, 5, and 7). It can be viewed as a minor triad with an additional major seventh.
Magic chord (as played in The Well-Tuned Piano). [ 3 ] The Magic Chord is a chord and installation (1984) created by La Monte Young , consisting of the pitches E, F, A, B ♭ , D, E, G, and A, in ascending order and used in works including his The Well-Tuned Piano and Chronos Kristalla (1990). [ 1 ]
A seventh chord with a minor third, perfect fifth, and minor seventh is commonly called a minor seventh chord, but also sometimes a minor/minor seventh chord to distinguish it from the minor/major seventh chord discussed below. It can be represented as either as m 7 or − 7, or in integer notation, {0, 3, 7, 10}.
Sometimes, especially in blues music, musicians will take chords which are normally minor chords and make them major. The most popular example is the I–VI–ii–V–I progression; normally, the vi chord would be a minor chord (or m 7, m 6, m ♭ 6 etc.) but here the major third makes it a secondary dominant leading to ii, i.e. V/ii.
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]
The ♭ VII 7 chord, a pivot chord borrowed from the parallel minor of the current tonic major key, is a dominant seventh. Therefore, it can resolve to I; it is commonly preceded by IV going to iv, then ♭ VII 7, then I. In C major the dominant would be G 7: (the notes GBDF), sharing two common tones with B ♭ 7: (the notes B ♭ DFA ♭).
In major keys, the chords iii and vi are often substituted for the I chord, to add interest. In the key of C major, the I major 7 chord is "C, E, G, B," the iii chord ("III–7" [11]) is E minor 7 ("E, G, B, D") and the vi minor 7 chord is A minor 7 ("A, C, E, G"). Both of the tonic substitute chords use notes from the tonic chord, which means ...
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 ...