A+♯12

A major, add sharp twelfth

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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+♯5, A6♭6, C♯aug+2, C♯aug+9, D♭aug+2, D♭aug+9.

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

Nearby chords (one less note): A, Faug, A5+♯5, D♭3+♯2.

Nearby chords (one more note): A6+♯5, A7+♯5, A+2+♯5, A+4+♯5, A+♯1+♯5, A+♯2+♯5, A+♯4+♯5, D♭+♯2+♯5.

Parallel chords (same structure, different root): C+♯12, D+♯12, E+♯12, F+♯12, G+♯12, B+♯12, C♭+♯12, D♭+♯12, E♭+♯12, F♭+♯12, G♭+♯12, A♭+♯12, B♭+♯12, C♯+♯12, D♯+♯12, E♯+♯12, F♯+♯12, G♯+♯12, A♯+♯12, B♯+♯12.

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

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