The D♯ aug7 Chord Explained
D-sharp augmented seventh is an Augmented chord family chord built from the notes D♯, F♯♯, A♯♯, and C♯. Its root is D♯, which is the note the chord is named after. The interval number formula is 1–3–♯5–♭7, giving you the interval names root, major third, augmented fifth, and minor seventh. You can use the widget above to see and hear these notes clearly on piano and guitar. This chord may also be written as D♯aug7, D♯+7, or plain-text spelled D-sharp augmented seventh.
D♯ aug7 Alternate Names
- D♯aug7
- D♯+7
- D♯7♯5
D♯ aug7 Chord Notes
D♯ aug7 Chord Formula
D♯ aug7 Chord Notation
How To Use D♯ aug7 In Music
Because of its raised fifth and minor seventh, this chord has a bright but tense sound that feels unstable and dramatic. It often pushes strongly toward a chord that resolves the tension, so it can work well anywhere you want excitement, color, or forward motion. For example, in the key of G♯ minor, D♯aug7 can function as V+7 moving to i, such as i–iv–V+7–i. In some pop, jazz, and theatrical styles, it may also appear as a colorful passing dominant between nearby chords. The mood can feel more urgent or mysterious depending on the harmony around it, especially when it leads into a stable minor or major chord. If you want to understand how these chord tones create that pull, this guide to chord intervals can help.
D♯ aug7 Chord Inversions
Another useful idea is inversion, which means changing which chord note is the lowest note while keeping the same four notes: D♯, F♯♯, A♯♯, and C♯. In root position, D♯ is the lowest note. In first inversion, F♯♯ is in the bass; in second inversion, A♯♯ is in the bass; and in third inversion, C♯ is in the bass. These inversions can make the chord sound smoother, lighter, darker, or more unsettled depending on where they move next. Musicians use inversions to create better bass lines, easier voice leading, and a different sense of tension without changing the chord’s basic identity. You may also see closely related spellings such as D♯+7 or D♯7♯5, which point to the same essential augmented-seventh color.


