A13♭9+♯12
A dominant thirteenth, flat ninth, add sharp twelfth
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MSK 007 Leapfrog VCF
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MSK 009 Coiler VCF
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Equivalent chord symbols: A13♭9+♯5, A13♭9+♭6, FM13♯5+♯1, FM13♯5+♭2, FM13♯5+♭9, DM11+♯2+♯5.
Notes in this chord: A, C♯, E, G, B♭, D, E♯, F♯. Integer notation: {1, 2, 4, 5, 6, 7, 9, 10}.
Nearby chords (one less note): A13♭9, FM13♯5, A13♯5♭9, DM11+♯2, C13-1+♯4, FM13♯5♭9, DM11♯5+♯2, FM11♯5+♯1.
Nearby chords (one more note): A13+♯1+♯5, C13+♯1+♯4, E13♭5+♯1+♯2, F13♯5+♯1+♯7.
Parallel chords (same structure, different root): C13♭9+♯12, D13♭9+♯12, E13♭9+♯12, F13♭9+♯12, G13♭9+♯12, B13♭9+♯12, C♭13♭9+♯12, D♭13♭9+♯12, E♭13♭9+♯12, F♭13♭9+♯12, G♭13♭9+♯12, A♭13♭9+♯12, B♭13♭9+♯12, C♯13♭9+♯12, D♯13♭9+♯12, E♯13♭9+♯12, F♯13♭9+♯12, G♯13♭9+♯12, A♯13♭9+♯12, B♯13♭9+♯12.
This chord contains too many notes to play on the 6 strings of guitar standard EADGBE tuning (change tuning or instrument).