A+♯5+♯9+♭1

A major, add sharp fifth, add sharp ninth, add flat root

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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+♯5+♭1, F+♯2+♯5+♭1, F+♯5+♯9+♭1, C♯+♯2+♯5+♭1, D♭+♯2+♯5+♭1, E♯+♯2+♯5+♭1.

Notes in this chord: A♭, A, C♯, E, E♯, B♯. Integer notation: {0, 1, 4, 5, 8, 9}.

Nearby chords (one less note): A+♯2+♯5, A+♯2+♭1, F+♯2+♯5, F+♯2+♭1, D♭+♯2+♯5, D♭+♯2+♭1.

Nearby chords (one more note): C13♯5♭9, E13♯5♭9, A♭13♯5♭9, CM13♯5♭9, EM13♯5♭9, A♭M13♯5♭9.

Parallel chords (same structure, different root): C+♯5+♯9+♭1, D+♯5+♯9+♭1, F+♯5+♯9+♭1, G+♯5+♯9+♭1, B+♯5+♯9+♭1, G♭+♯5+♯9+♭1.

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

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