About the F minor seven flat five chord
F minor seven flat five is used in F Locrian, where its notes spell the i° chord. Think of it as an F half-diminished seventh chord.
Its notes are F, A♭, C♭, and E♭. The intervals are a minor third, a diminished fifth, and a minor seventh.
Also called ø7 and minor seventh flat five.
Positions
Notes and intervals
| 1 | FF | Root |
|---|---|---|
| 2 | AbA♭ | Minor 3rd |
| 3 | CbC♭ | Diminished 5th |
| 4 | EbE♭ | Minor 7th |
Shapes
Chromatic
Circle of Fifths
Keys that use F minor seven flat five
F minor seven flat five is diatonic to these keys, where its notes spell the chord shown.
Other F 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.
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