A dominant thirteenth, add sharp second

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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: A13+♯9, A13+♭3, D13+♯7, D13+♭1, Bm13+♯1, C♭m13+♯1.

Notes in this chord: A, B♯, C♯, E, G, B, D, F♯. Integer notation: {0, 1, 2, 4, 6, 7, 9, 11}.

Nearby chords (one less note): A13, D13, A13♯9, A11+♯2, GM13♭5, Bm11+♯1, GM11+♯4, A13-1+♯2.

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

Parallel chords (same structure, different root): C13+♯2, D13+♯2, E13+♯2, F13+♯2, G13+♯2, B13+♯2, C♭13+♯2, D♭13+♯2, E♭13+♯2, F♭13+♯2, G♭13+♯2, A♭13+♯2, B♭13+♯2, C♯13+♯2, D♯13+♯2, E♯13+♯2, F♯13+♯2, G♯13+♯2, A♯13+♯2, B♯13+♯2.

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