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Piano Chords

D#aug Chord on Piano

D#aug = D# – G – B (Root, Major 3rd, Minor 6th)

D#aug is built from D#, G, B — root, and the rest of the augmented formula stacked above it. Play D#aug and the character is immediately hazy — neither major nor minor, and unable to sit still. On the keyboard D# is the second black key of the two-black-key group, just before E, and the chord itself is just three notes, comfortably covered by fingers 1, 3, and 5 without any stretch. It works as an altered V+ pulling toward D# major's tonic, or a whole-tone color chord that avoids the perfect 5th entirely, and with the 5th raised a half step, the chord loses its stable perfect fifth entirely, so it almost always keeps moving rather than landing. Tally it up and the root brings the total to 3 notes, a number worth remembering when a printed voicing looks unfamiliar.

The harmonic role here is an altered V+ pulling toward D# major's tonic, or a whole-tone color chord that avoids the perfect 5th entirely, which is the context you'll run into it most often. There's no real stretch involved for most adult hands, so the time saved on reach can go straight into drilling the shape cleanly hands-separately before a bass line gets added underneath. G in the bass gives first inversion, B in the bass gives second — same three notes, different note on the bottom each time. A chart that just says "D#aug" leaves the choice of inversion entirely up to you. You'll hear it worked into musical-theater transition chords regularly, and it recurs in impressionist piano writing (Debussy-style whole-tone color) too. With the 5th raised a half step, the chord loses its stable perfect fifth entirely, so it almost always keeps moving rather than landing. Because D# is second black key of the two-black-key group, just before E, the black key sits a little further from the fallboard than its white neighbors, so the finger needs a touch more forward reach to land cleanly. When someone else is covering the bass line, the left hand can pare back to the root, or root and fifth, and let the right hand carry the whole triad on its own. Near middle C this reads as an ordinary comping chord; pushed down low it hits like a bass gesture, and pushed up high it turns thin and bell-like — same three notes throughout. Ear-train on D#aug by its hazy — neither major nor minor, and unable to sit still character first; naming the individual notes by sight-reading habit tends to come along later, almost as an afterthought.

Voicings

Root Position

Root Position

First Inversion

First Inversion

How to Practice It

Right hand alone first: fingers 1-3-5, aimed at D#, G, B. The black-key root here rewards a slightly forward hand position — flat-fingered technique tends to catch the edge of the key instead of the center. Add a simple left-hand root underneath only once the right hand is reliable, and resist combining both hands before either one is solid alone. Once combined, loop the transition into D#aug from a neighboring chord slowly, letting tempo increase only after the hand-shape change stops requiring conscious thought. The raised 5th is easy to underplay or bend back toward a natural 5th out of habit; hold it deliberately sharp or the chord collapses into a plain major triad.

Common Progressions

  • D#aug as an altered V+ resolving into D# major's tonic
  • I – I+ – vi: D#aug used as a chromatic passing chord in D# major
  • D#aug as a whole-tone color chord before resolving down a half step

FAQ

What notes make up D#aug on piano?
Reading left to right in root position, D#aug gives you D#, G, B — D# at the bottom, the augmented formula's remaining notes climbing above it. Change which note sits lowest and you've moved into an inversion.
Is D#aug an easy chord to play on piano?
As a three-note triad it's one of the more approachable shapes on the keyboard — the whole thing sits comfortably under fingers 1, 3, and 5 in one hand. The main adjustment for D# specifically is that the root is a black key, so the hand sits slightly forward on the keybed.
In harmonic terms, what does D#aug usually do?
As an altered V+ pulling toward D# major's tonic, or a whole-tone color chord that avoids the perfect 5th entirely, more often than in any other role. With the 5th raised a half step, the chord loses its stable perfect fifth entirely, so it almost always keeps moving rather than landing.
What's the closest related chord to D#aug?
Lower the raised 5th back down a half step and D#aug resolves into a plain major triad — the augmented 5th is the one altered note driving the whole restless color.

D#aug on other instruments: D#aug on Guitar. Related: how chords are built, chord finder.