A+♯4+♯5+♭1

A major, add sharp fourth, add sharp fifth, 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: C♯+2+♯2+♯5, C♯+2+♯5+♯9, C♯+9+♯2+♯5, D♭+2+♯2+♯5, D♭+2+♯5+♯9, D♭+9+♯2+♯5.

Notes in this chord: A♭, A, C♯, D♯, E, E♯. Integer notation: {1, 3, 4, 5, 8, 9}.

Nearby chords (one less note): A+♯4+♯5, A+♯4+♭1, D♭+2+♯2, D♭+2+♯5, D♭+♯2+♯5, E4+♯1+♯7.

Nearby chords (one more note): B13♭5, B13-1+♯4, EM13♯5♭9, E♭11♭5+♯1, F11♯5♯9+♯7, D♭+2+♯1+♯2+♯5.

Parallel chords (same structure, different root): C+♯4+♯5+♭1, D+♯4+♯5+♭1, E+♯4+♯5+♭1, F+♯4+♯5+♭1, G+♯4+♯5+♭1, B+♯4+♯5+♭1, D♭+♯4+♯5+♭1, E♭+♯4+♯5+♭1, G♭+♯4+♯5+♭1, A♭+♯4+♯5+♭1, B♭+♯4+♯5+♭1, D♯+♯4+♯5+♭1, E♯+♯4+♯5+♭1, A♯+♯4+♯5+♭1.

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

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