About the D sharp six chord
D sharp six is used in C Dorian, where its notes spell the i chord. Think of it as a D♯ major sixth chord.
Its notes are D♯, F♯♯, A♯, and B♯. The intervals are a major third, a perfect fifth, and a major sixth.
Also called maj6 and M6. E flat six spells the same notes enharmonically.
Inversions
D sharp six (root position)
Notes and intervals
| 1 | D#D♯ | Root |
|---|---|---|
| 2 | F##F♯♯ | Major 3rd |
| 3 | A#A♯ | Perfect 5th |
| 4 | B#B♯ | Major 6th |
Shapes
Chromatic
Circle of Fifths
Keys that use D sharp six
D sharp six is diatonic to these keys, where its notes spell the chord shown.
Other D 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.