A♭+4+9

A flat major, add fourth, add 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: A♭+2+4, G♯+2+4, G♯+4+9, A♭+2+11, B♭m11-5, G♯+2+11.

Notes in this chord: A♭, C, D♭, E♭, B♭. Integer notation: {0, 1, 3, 8, 10}.

Keys in which this chord fits with this spelling: D♭M, A♭M, Fm, B♭m

Keys in which this chord fits with enharmonic spelling: C♯M, G♯M, E♯m, A♯m

Nearby chords (one less note): A♭+2, A♭+4, A♭4+2, B♭m4+2, A♭sus4+2.

Nearby chords (one more note): A♭11, A♭M11, B♭m11, B♭m11♭5, A♭+2+4+♯1, A♭+2+4+♯2, A♭+2+4+♯4.

Parallel chords (same structure, different root): C+4+9, D+4+9, E+4+9, F+4+9, G+4+9, A+4+9, B+4+9, C♭+4+9, D♭+4+9, E♭+4+9, F♭+4+9, G♭+4+9, B♭+4+9, C♯+4+9, D♯+4+9, E♯+4+9, F♯+4+9, G♯+4+9, A♯+4+9, B♯+4+9.

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

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