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Download as PDF; Printable version; ... Major Dominant seventh flat five chord: Play ⓘ 4-25: 0 4 6 t: Diminished Dominant seventh sharp nine / Hendrix chord:
In music theory, a dominant seventh chord, or major minor seventh chord, [a] is a seventh chord composed of a root, major third, perfect fifth, and minor seventh; thus it is a major triad together with a minor seventh. It is often denoted by the letter name of the chord root and a superscript "7". [3]
Put another way, it is the key whose tonic is the dominant scale degree in the main key. [8] If, for example, a piece is written in the key of C major, then the tonic key is C major and the dominant key is G major since G is the dominant note in C major. [9] "Essentially, there are two harmonic directions: toward I and toward V.
In a major key, the supertonic triad (ii) is minor, and in a minor key it is diminished. The dominant is, in its normal form, a major triad and commonly a dominant seventh chord . With the addition of chord alterations , substitutions , and extensions , limitless variations exist on this simple formula.
For example, while a classical piece and a swing arrangement might use the following chord sequence in the key of C major: "C – Am – Dm – G 7", a bebop bandleader might reharmonize the same progression as "C 7 – A 7 – D 7 – G 7", making a sequence of dominant seventh chords, so long as the new dominant chord harmonies were ...
For example, the relative minor of C major is A minor, and in the key of A minor, the i, iv and v chords are A minor, D minor and E minor. In practice, in a minor key, the third of the dominant chord is often raised by one semitone to form a major chord (or a dominant seventh chord if the seventh is added).
In music, a major seventh chord is a seventh chord in which the third is a major third above the root and the seventh is a major seventh above the root. The major seventh chord, sometimes also called a Delta chord, can be written as maj 7, M 7, Δ, ⑦, etc. The "7" does not have to be superscripted, but if it is, then any alterations, added ...
The harmonic seventh chord is a dominant seventh chord formed by a major triad plus a harmonic seventh interval. The harmonic seventh interval is a minor seventh tuned in the 7:4 pitch ratio, one of the possible "just ratios" defined for this interval in just intonation (slightly below the width of a minor seventh as tuned in equal temperament ...