Dominant Seventh Sharp Five Chords (7#5) | Guitar Shapes and Voicing Charts
What's a dominant 7#5 chord?
A dominant seventh sharp five chord is also known as "seventh augmented fifth chord" or "augmented seventh chord". As its name implies, it consists of a dominant seventh chord with an augmented fifth instead of a perfect fifth. It can also be viewed as an augmented triad with a minor seventh. Chord tones are : root (1), major third (3), augmented fifth (#5) and minor seventh (b7). Dominant 7#5 chords produce a dissonant and unstable sound. They can be used to add tension in your playing.
Symbols and notations
Seventh augmented fifth chords can be written +7, aug7, 7+5, 7#5.
7#5 guitar chords | Drop 2 voicings with diagrams
How to Play dominant 7#5 Chords on Guitar
Here are the four drop 2 dominant 7#5 voicings and their related guitar chord shapes.
What are drop 2 chords ?
Drop 2 chords are surely the most used voicings by jazz guitarist (The term "voicings" refers to the order of notes in a chord). They are built by dropping the second highest note of a four-notes close chord to the bass. 7#5 close chord formula is 1-3-#5-7 that gives the following drop 2 chord formula #5-1-3-7.
What is an inverted chord ?
It means that the notes of a chord are inverted, there can be a third, a fifth or a seventh in the bass.
|1st inversion (third in the bass)||3||b7||R||#5|
|2nd inversion (augmented fifth in the bass)||#5||R||3||b7|
|3rd inversion (minor seventh in the bass)||b7||3||#5||R|
7#5 guitar chords | Drop 3 voicings with diagrams
The two diagrams below show how to play drop 3 dominant 7#5 chords on guitar.
|1st inversion (third in the bass)||3||R||#5||b7|
|2nd inversion (augmented fifth in the bass)||#5||3||b7||R|
|3rd inversion (minor seventh in the bass)||b7||#5||R||3|
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Last edited: 07/05/2019