About the G sharp major seven sharp five chord
G sharp major seven sharp five is used in G sharp Lydian Augmented, where its notes spell the I+ chord. Think of it as a G♯ major seventh sharp five chord.
Its notes are G♯, B♯, D♯♯, and F♯♯. The intervals are a major third, an augmented fifth, and a major seventh.
Also called augmented major seventh and +Δ7. A flat major seven sharp five spells the same notes enharmonically. In shorthand it is commonly written G#maj7#5.
Inversions
G sharp major seven sharp five (root position)
Notes and intervals
| 1 | G#G♯ | Root |
|---|---|---|
| 2 | B#B♯ | Major 3rd |
| 3 | D##D♯♯ | Augmented 5th |
| 4 | F##F♯♯ | Major 7th |
Shapes
Chromatic
Circle of Fifths
Keys that use G sharp major seven sharp five
G sharp major seven sharp five is diatonic to these keys, where its notes spell the chord shown.
Other G sharp chords
Simpler triads
Suspended
Sixths and sevenths
Extensions
Altered
Functional relationships
These chords are where this one most naturally comes from and resolves to inside a key.
Relative minor
The relative minor uses the same notes and key signature, so it works as a calmer, darker home base.
Parallel minor
The parallel minor keeps the same root note but lowers the third, giving the same key a darker, sadder sound.
Dominant
The dominant is a fifth above the root, and it builds tension that pulls strongly back to this chord.
Subdominant
The subdominant is a fourth above the root (a fifth below), and it usually leads on to the dominant or back home.
Tritone substitution
The tritone substitution stands in for this chord's dominant with a dominant seventh a half step above the root, which slides down by a half step to resolve here.
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