A♯4+♯9

A sharp major fourth, 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♯4+♯2, A♯4+♭3, B♭4+♯2, B♭4+♯9, B♭4+♭3, D♭2+6+♯1.

Notes in this chord: A♯, C♯♯, D♯, B♯♯. Integer notation: {1, 2, 3, 10}.

Nearby chords (one less note): B♭4, B♭m4, B♭3+♯2, D♭2+♯1.

Nearby chords (one more note): E♭7+♯7, G♭6+♯5, B♭+4+♯2, A4+♯1+♯4, B♭4+2+♯2, B♭4+7+♯2, B♭4+♯1+♯2, B♭♭5+4+♯2.

Parallel chords (same structure, different root): C4+♯9, D4+♯9, E4+♯9, F4+♯9, G4+♯9, A4+♯9, B4+♯9, C♭4+♯9, D♭4+♯9, E♭4+♯9, F♭4+♯9, G♭4+♯9, A♭4+♯9, B♭4+♯9, C♯4+♯9, D♯4+♯9, E♯4+♯9, F♯4+♯9, G♯4+♯9, B♯4+♯9.

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

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