A dominant ninth, add sharp root, 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: A9+♯1+♯2, A9+♯2+♭2, C9♭9+6+♯7, C9♭9+6+♭1, C9♭9+♯7+♭7.

Notes in this chord: A, A♯, C♯, E, G, B, B♯. Integer notation: {0, 1, 4, 7, 9, 10, 11}.

Nearby chords (one less note): A9+♯1, A9+♯2, Am9+♯1, C9♭9+6, C9♭9+♯7, A+2+♯1+♯2, Gdim+2+4+♯3.

Nearby chords (one more note): G13♭5+♯2, A11+♯1+♯2, GM13♭5+♯2, A9+♯1+♯2+♯7, E♭13♯11♭9+♯5.

Parallel chords (same structure, different root): C9+♯1+♯9, D9+♯1+♯9, E9+♯1+♯9, F9+♯1+♯9, G9+♯1+♯9, B9+♯1+♯9, C♭9+♯1+♯9, D♭9+♯1+♯9, E♭9+♯1+♯9, F♭9+♯1+♯9, G♭9+♯1+♯9, A♭9+♯1+♯9, B♭9+♯1+♯9, C♯9+♯1+♯9, D♯9+♯1+♯9, E♯9+♯1+♯9, F♯9+♯1+♯9, G♯9+♯1+♯9, A♯9+♯1+♯9, B♯9+♯1+♯9.

This chord contains too many notes to play on the 6 strings of guitar standard EADGBE tuning (change tuning or instrument).