About the E diminished seven chord
E diminished seven is used in D flat Ultra Locrian, where its notes spell the i° chord. Think of it as an E diminished seventh chord.
Its notes are E, G, B♭, and D♭. The intervals are a minor third, a diminished fifth, and a diminished seventh.
Also called °7 and fully diminished.
Positions
Notes and intervals
| 1 | EE | Root |
|---|---|---|
| 2 | GG | Minor 3rd |
| 3 | BbB♭ | Diminished 5th |
| 4 | DbD♭ | 7d |
Shapes
Chromatic
Circle of Fifths
Keys that use E diminished seven
E diminished seven is diatonic to these keys, where its notes spell the chord shown.
Other E 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 major
The relative major uses the same notes and key signature, so it works as a brighter home base.
Parallel major
The parallel major keeps the same root note but raises the third, giving the same key a brighter, happier 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.