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In music, the dominant 7 ♯ 9 chord [1] ("dominant seven sharp nine" or "dominant seven sharp ninth") is a chord built by combining a dominant seventh, which includes a major third above the root, with an augmented second, which is the same pitch, albeit given a different note name, as the minor third degree above the root.
Passing chord in B ♭ from across the circle of fifths (tritone, see also tritone substitution): B ♮ 7 Play ⓘ. [1] The circle of fifths drawn within the chromatic circle as a star dodecagon. [2] In music, a passing chord is a chord that connects, or passes between, the notes of two diatonic chords. [3] "
The dominant seventh chord is frequently used to approximate a harmonic seventh chord, which is one possible just tuning, in the ratios 4:5:6:7 [1] Play ⓘ, for the dominant seventh. Others include 20:25:30:36 Play ⓘ , found on I, and 36:45:54:64, found on V, used in 5-limit just tunings and scales.
Dominant seventh chord on C: C 7 Play ⓘ.. Jazz harmony is the theory and practice of how chords are used in jazz music. Jazz bears certain similarities to other practices in the tradition of Western harmony, such as many chord progressions, and the incorporation of the major and minor scales as a basis for chordal construction.
For example, for the chords "Dm7 ♭ 5 G7 ♭ 9, play down the B♭7 scale from its seventh to B" (B being the added half-step "bebop note" and third of the G7 ♭ 9 chord). This works because the notes of the Dm7 ♭ 5 chord { D F A ♭ C } are also chord tones of B ♭ 9 { B ♭ D F A ♭ C }.
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 chord notation N.C. indicates the musician should play no chord. The duration of this symbol follows the same rules as a regular chord symbol. This is used by composers and songwriters to indicate that the chord-playing musicians (guitar, keyboard, etc.) and the bass player should stop accompanying for the length covered by the "No Chord ...
That same E might be harmonized with a C major chord (C – E – G), making it the third of the chord. This concept extends to ninths (E would act as the 9th if harmonized with a Dm7 chord – D – F – A – C – E), ♯ fifths (E would act as ♯ 5 on an A ♭ augmented chord – A ♭ – C – E), and a wide array of other options.