A♭dim+♭9

A flat diminished, add flat ninth

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MSK 007 Leapfrog VCF (patch; see in online store)
MSK 009 Coiler VCF (patch; see in online store)

Equivalent chord symbols: E11-1-9, A♭dim+♯1, A♭dim+♭2, G♯dim+♯1, G♯dim+♭2, G♯dim+♭9.

Notes in this chord: A♭, C♭, E♭♭, B♭♭. Integer notation: {2, 8, 9, 11}.

Keys in which this chord fits with this spelling: G♭m

Keys in which this chord fits with enharmonic spelling: AM, F♯m

Nearby chords (one less note): D6-3, A2+♯7, A♭dim, Dsus4♯4.

Nearby chords (one more note): E7+4, D6+♯4, G+2+♯1, A♭dim7+♯1, A♭m+♯1+♯4, A♭♭5+♯1+♯2, A♭dim+2+♯1, A♭dim+4+♯1.

Parallel chords (same structure, different root): Cdim+♭9, Ddim+♭9, Edim+♭9, Fdim+♭9, Gdim+♭9, Adim+♭9, Bdim+♭9, C♭dim+♭9, D♭dim+♭9, E♭dim+♭9, F♭dim+♭9, G♭dim+♭9, B♭dim+♭9, C♯dim+♭9, D♯dim+♭9, E♯dim+♭9, F♯dim+♭9, G♯dim+♭9, A♯dim+♭9, B♯dim+♭9.

Experimental fretting charts for guitar standard EADGBE tuning (change tuning or instrument):

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