G dominant ninth, add sharp second, add flat 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: G9+♯1+♯2, G9+♯1+♯9, B♭9♭9+6+♯7, B♭9♭9+6+♭1, B♭9♭9+♯7+♭7.

Notes in this chord: G, A♭, A♯, B, D, F, A. Integer notation: {2, 5, 7, 8, 9, 10, 11}.

Nearby chords (one less note): G9+♯1, G9+♯2, Gm9+♯1, B♭9♭9+6, B♭9♭9+♯7, G+2+♯1+♯2, Fdim+2+4+♯3.

Nearby chords (one more note): F13♭5+♯2, FM13♭5+♯2, G11+♯1+♯2, G9+♯1+♯2+♯7, D♭13♯11♭9+♯5.

Parallel chords (same structure, different root): C9+♯2+♭2, D9+♯2+♭2, E9+♯2+♭2, F9+♯2+♭2, A9+♯2+♭2, B9+♯2+♭2, C♭9+♯2+♭2, D♭9+♯2+♭2, E♭9+♯2+♭2, F♭9+♯2+♭2, G♭9+♯2+♭2, A♭9+♯2+♭2, B♭9+♯2+♭2, C♯9+♯2+♭2, D♯9+♯2+♭2, E♯9+♯2+♭2, F♯9+♯2+♭2, G♯9+♯2+♭2, A♯9+♯2+♭2, B♯9+♯2+♭2.

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