A4+♯1+♯2

A major fourth, add sharp root, add sharp second

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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: A4+♯1+♯9, A4+♯2+♭2, C2+6+7+♯1, C2+6+7+♭2, C2+6+7+♭9, F13♭7♭13-1-9.

Notes in this chord: A, A♯, B♯, C♯, D. Integer notation: {0, 1, 2, 9, 10}.

Nearby chords (one less note): A4+♯1, A4+♯2, C2+6+7, C2+7+♯1, A3+♯1+♯2.

Nearby chords (one more note): B♭M9+♯2, A+4+♯1+♯2, A4+2+♯1+♯2, F13♭7♭13-1, A♭♭5+2+4+♯1, G♭+♯2+♯4+♯5, Adim+4+♯1+♯3.

Parallel chords (same structure, different root): C4+♯1+♯2, D4+♯1+♯2, E4+♯1+♯2, F4+♯1+♯2, G4+♯1+♯2, B4+♯1+♯2, C♭4+♯1+♯2, D♭4+♯1+♯2, E♭4+♯1+♯2, F♭4+♯1+♯2, G♭4+♯1+♯2, A♭4+♯1+♯2, B♭4+♯1+♯2, C♯4+♯1+♯2, D♯4+♯1+♯2, E♯4+♯1+♯2, F♯4+♯1+♯2, G♯4+♯1+♯2, A♯4+♯1+♯2, B♯4+♯1+♯2.

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

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