About the D sharp augmented seven sharp nine chord
D sharp augmented seven sharp nine sits outside the plain diatonic set, so it is borrowed to add color and tension. Think of it as a D♯ augmented seventh sharp nine chord.
Its notes are D♯, G, B, C♯, and F♯. The intervals are a major third, an augmented fifth, a minor seventh, and an augmented ninth.
Also called E flat augmented seven sharp nine, which spells the same notes enharmonically. In shorthand it is commonly written D#aug7#9.
Inversions
D sharp augmented seven sharp nine (root position)
Notes and intervals
| 1 | D sharp | Root |
|---|---|---|
| 2 | G | Major 3rd |
| 3 | B | Augmented 5th |
| 4 | C sharp | Minor 7th |
| 5 | F sharp | Augmented 9th |
Shapes
Chromatic
Circle of Fifths
Other D sharp chords
Simpler triads
D sharp five chordD sharp major chordD sharp minor chordD sharp diminished chordD sharp augmented chord
Suspended
D sharp suspended two chordD sharp suspended four chordD sharp seven suspended four chordD sharp nine suspended four chordD sharp thirteen suspended four chord
Sixths and sevenths
D sharp six chordD sharp minor six chordD sharp minor flat six chordD sharp seven chordD sharp major seven chordD sharp minor seven chordD sharp minor seven flat five chordD sharp diminished seven chordD sharp minor major seven chordD sharp major seven flat five chordD sharp major seven sharp five chordD sharp minor major seven flat five chord
Extensions
D sharp nine chordD sharp add nine chordD sharp major nine chordD sharp minor nine chordD sharp eleven chordD sharp thirteen chordD sharp six nine chordD sharp minor add nine chordD sharp major eleven chordD sharp major thirteen chordD sharp minor eleven chordD sharp minor thirteen chordD sharp minor six nine chordD sharp minor major nine chordD sharp minor major eleven chord
Altered
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