A+2+4+♯1

A major, add second, add fourth, add sharp 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+4+9+♯1, A+2+11+♯1, G♭13♯9♭13-1, B♭♭5+♯1+♯2+♭1.

Notes in this chord: A, A♯, B, C♯, D, E. Integer notation: {1, 2, 4, 9, 10, 11}.

Nearby chords (one less note): A+2+4, A+2+♯1, A+4+♯1, A4+2+♯1, Asus4+2+♯1, B♭♭5+♯1+♯2.

Nearby chords (one more note): A11+♯1, AM11+♯1, Bm11♭5+♯7, G♭13♯9♭13, A+2+4+♯1+♯2, A+2+4+♯1+♯4.

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

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

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