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D half-diminished chord

D half-diminished Diminished & augmented family

Bittersweet and searching.

Easiest shape1 of 3

Square: the root. In colour: the flat 5th, which gives the chord its sound.

Change a finger and see what it becomes

Built from

Droot
Fminor 3rd
A♭flat 5th
Cflat 7th

A minor 7 with a flat 5th: the softness of the 7th meets the instability of the flat 5th.

Tension: Restless

Hear it in a progression

Minor ii–V–i
The sad cousin of the jazz ii–V–I. In C minor.
Capo and transpose

Where it goes next

Thinking in C minor, where it is the iiø7 chord.

Gm7
v7. The minor setup: ii° pulls into v or V.

Sounds close

C♯maj7
Shares 3 of its notes. Both have F, A♭ and C.
Fm7
Shares 3 of its notes. Both have F, A♭ and C.
Fdim7
Shares 3 of its notes. Both have D, F and A♭.
B♭7
Shares 3 of its notes. Both have D, F and A♭.

Keys it lives in