A dominant thirteenth, flat ninth

music notation
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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: A11♭9+6, DM11+♯5, DM13♭13, A11♭9+♭7, D13♯7♭13, Em11♭5+♯6.

Notes in this chord: A, C♯, E, G, B♭, D, F♯. Integer notation: {1, 2, 4, 6, 7, 9, 10}.

Nearby chords (one less note): DM11, A11♭9, A9♭9+6, DM11♯5, Em11♭5, A11♭7♭9, G♭+♯1+♯2+♯5.

Nearby chords (one more note): A13+♯1, A13♯9+♯1, A13♭9+♯4, A13♭9+♯5, E13♭5+♯2.

Parallel chords (same structure, different root): C13♭9, D13♭9, E13♭9, F13♭9, G13♭9, B13♭9, C♭13♭9, D♭13♭9, E♭13♭9, F♭13♭9, G♭13♭9, A♭13♭9, B♭13♭9, C♯13♭9, D♯13♭9, E♯13♭9, F♯13♭9, G♯13♭9, A♯13♭9, B♯13♭9.

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