A♯4+♯2+♯7

A sharp dominant fourth, add sharp second, add sharp seventh

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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: A4+♯1+♯4, A♯4+♯7+♯9, A4+♯1+♯11, B♭4+♯2+♯7, B♭4+♯2+♭1, B♭4+♯7+♯9.

Notes in this chord: A♯, B♯♯, C♯♯, D♯, G♯♯. Integer notation: {1, 2, 3, 9, 10}.

Nearby chords (one less note): A4+♯1, A4+♯4, B♭4+♯2, B♭4+♯7, A4♯4+♯1.

Nearby chords (one more note): A11♭5♭9, B♭M11♯9, A+4+♯1+♯4, F13♯5♯9-1, G♭6+♯2+♯5, A4+2+♯1+♯4, Adim+4+♯1+♯3.

Parallel chords (same structure, different root): C4+♯2+♯7, D4+♯2+♯7, E4+♯2+♯7, F4+♯2+♯7, G4+♯2+♯7, A4+♯2+♯7, B4+♯2+♯7, D♭4+♯2+♯7, E♭4+♯2+♯7, G♭4+♯2+♯7, A♭4+♯2+♯7, B♭4+♯2+♯7, C♯4+♯2+♯7, D♯4+♯2+♯7, E♯4+♯2+♯7, F♯4+♯2+♯7, G♯4+♯2+♯7, B♯4+♯2+♯7.

Experimental fretting charts for guitar standard EADGBE tuning (change tuning or instrument):

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