A♯2+♯9

A sharp major second, 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, B♭2+♯2, B♭2+♯9, F♯-1+♯4, G♭-1+♯4, G♭-1+♯11.

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

Keys in which this chord fits with enharmonic spelling: D♭M, A♭M, C♯M, G♯M, Fm, B♭m, E♯m, A♯m

Nearby chords (one less note): B♭2, C2♭2, G♭-1.

Nearby chords (one more note): A♭4+2, B♭m+2, G♭+♯4, B♭m4+2, Gdim+4, B♭dim+2, C2+7+♯1, A3+♯1+♯2, B♭2+♯1+♯2.

Parallel chords (same structure, different root): C2+♯9, D2+♯9, E2+♯9, F2+♯9, G2+♯9, A2+♯9, B2+♯9, C♭2+♯9, D♭2+♯9, E♭2+♯9, F♭2+♯9, G♭2+♯9, A♭2+♯9, B♭2+♯9, C♯2+♯9, D♯2+♯9, E♯2+♯9, F♯2+♯9, G♯2+♯9, B♯2+♯9.

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

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