D flat dominant ninth, omit third

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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: A♭m+4, G♯m+4, A♭m+11, G♯m+11, A♭sus4+♯2, G♯sus4+♯2.

Notes in this chord: D♭, A♭, C♭, E♭. Integer notation: {1, 3, 8, 11}.

Keys in which this chord fits with this spelling: C♭M, F♭M, G♭M, D♭m, E♭m, A♭m

Keys in which this chord fits with enharmonic spelling: EM, BM, F♯M, C♯m, D♯m, G♯m

Nearby chords (one less note): A♭m, A♭m4, B3+2, D♭sus2.

Nearby chords (one more note): D♭9, B9♭7, D♭m9, AM9♭5, B9♯5♭7, A♭+4+♯2, A♭m+2+4, A♭m+4+♯4.

Parallel chords (same structure, different root): C9-3, D9-3, E9-3, F9-3, G9-3, A9-3, B9-3, E♭9-3, G♭9-3, A♭9-3, B♭9-3, B♯9-3.

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