A+♯1+♯9+♭1

A major, add sharp root, 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: B♭m9♭5+♯7, B♭m9♭5+♭1, C7♯5+6+♯1, A+♯1+♯2+♭1, A+♯2+♭1+♭2, C13♯5♭9-11.

Notes in this chord: A♭, A, A♯, C♯, E, B♯. Integer notation: {0, 1, 4, 8, 9, 10}.

Nearby chords (one less note): B♭m9♭5, C7♯5+6, A+♯1+♯2, A+♯1+♭1, A+♯2+♭1, A♭4+2+♯1.

Nearby chords (one more note): C13♯5♭9, AM11♯9+♯1, AM9+♯1+♯2, A♭11♯5+♯1, A♭M11♯5+♯1, B♭m11♭5+♯7.

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

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

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