A9+♯1+♯2
A dominant ninth, add sharp root, add sharp second
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MSK 007 Leapfrog VCF
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MSK 009 Coiler VCF
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Equivalent chord symbols: A9+♯1+♯9, A9+♯2+♭2, C9♭9+6+♯7, C9♭9+6+♭1, C9♭9+♯7+♭7.
Notes in this chord: A, A♯, B♯, C♯, E, G, 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+♯2, D9+♯1+♯2, E9+♯1+♯2, F9+♯1+♯2, G9+♯1+♯2, B9+♯1+♯2, C♭9+♯1+♯2, D♭9+♯1+♯2, E♭9+♯1+♯2, F♭9+♯1+♯2, G♭9+♯1+♯2, A♭9+♯1+♯2, B♭9+♯1+♯2, C♯9+♯1+♯2, D♯9+♯1+♯2, E♯9+♯1+♯2, F♯9+♯1+♯2, G♯9+♯1+♯2, A♯9+♯1+♯2, B♯9+♯1+♯2.
This chord contains too many notes to play on the 6 strings of guitar standard EADGBE tuning (change tuning or instrument).