A+2+♯5+♯9

A major, add second, add sharp fifth, add sharp ninth

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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+♯2+♯5, A+9+♯2+♯5, F+♯4+♯5+♭1, E♯+♯4+♯5+♭1, F+♯5+♯11+♭1, E♯+♯5+♯11+♭1.

Notes in this chord: A, B, C♯, E, E♯, B♯. Integer notation: {0, 1, 4, 5, 9, 11}.

Nearby chords (one less note): A+2+♯2, A+2+♯5, A+♯2+♯5, F+♯4+♯5, F+♯4+♭1, C4+♯1+♯7.

Nearby chords (one more note): G13♭5, B11♭5+♯1, CM13♯5♭9, G13-1+♯4, D♭11♯5♯9+♯7, A+2+♯1+♯2+♯5.

Parallel chords (same structure, different root): C+2+♯5+♯9, D+2+♯5+♯9, E+2+♯5+♯9, F+2+♯5+♯9, G+2+♯5+♯9, B+2+♯5+♯9, C♭+2+♯5+♯9, D♭+2+♯5+♯9, E♭+2+♯5+♯9, F♭+2+♯5+♯9, G♭+2+♯5+♯9, A♭+2+♯5+♯9, B♭+2+♯5+♯9, C♯+2+♯5+♯9, D♯+2+♯5+♯9, E♯+2+♯5+♯9, F♯+2+♯5+♯9, G♯+2+♯5+♯9, A♯+2+♯5+♯9, B♯+2+♯5+♯9.

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

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