The G♯ aug7 Chord Explained
G-sharp augmented seventh is an Augmented chord built from the notes G♯, B♯, D♯♯, and F♯. Its root is G♯, and its interval number formula is 1–3–♯5–♭7. In interval names, that gives you the root, major third, augmented fifth, and minor seventh. You may also see it written as G♯7♯5, G♯+7, or plain-text spellings such as G-sharp seven sharp five and G-sharp augmented dominant seventh. If you look at the widget above, you can see and hear how these notes combine, which is especially helpful when learning how chord intervals shape a chord’s sound.
G♯ aug7 Alternate Names
- G♯7♯5
- G♯+7
- G-sharp augmented dominant seventh
G♯ aug7 Chord Notes
G♯ aug7 Chord Formula
G♯ aug7 Chord Notation
How To Use G♯ aug7 In Music
Often, this chord sounds bright, tense, and unstable, with a dramatic pull that wants to resolve to another chord. Because it contains both the strong push of a seventh chord and the raised fifth, it can add excitement, suspense, or a slightly jazzy and bluesy color. You might hear it used as a spicy dominant-type chord leading to a resolution, such as G♯7♯5 moving to C♯ minor or C♯ major, depending on the song. In roman-numeral terms, it can function like a colorful V chord in progressions such as ii–V–I, or as an altered dominant in a longer pattern like vi–ii–V–I. The mood of G♯7♯5 can feel more urgent next to stable chords, but more mysterious when surrounded by other altered or chromatic harmonies. If you want to compare its pull with other tense chords, see this guide to the dominant chord.
G♯ aug7 Chord Inversions
Another useful idea for beginners is inversion, which means the same chord notes are used but a note other than the root is placed at the bottom. For G♯ augmented seventh, root position is G♯–B♯–D♯♯–F♯, while inversions include first inversion B♯–D♯♯–F♯–G♯, second inversion D♯♯–F♯–G♯–B♯, and third inversion F♯–G♯–B♯–D♯♯. These inversions keep the chord quality the same, but they can make the sound feel smoother, heavier, or more directional depending on which note is in the bass. Musicians use inversions to create better voice leading, make chord changes easier to play, and shape the emotional flow of a progression. Common variations related to this chord may include simplified voicings that omit one note, or nearby altered dominant colors that keep the same tense character.
