A4+9+♯4

A major fourth, add ninth, add sharp fourth

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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+2+♯4, B9-5+♯2, B9-5+♯9, A4+2+♯11, C♭9-5+♯2, C♭9-5+♯9.

Notes in this chord: A, C♯, D, D♯, B. Integer notation: {1, 2, 3, 9, 11}.

Nearby chords (one less note): A4+2, B9-5, A4+♯4, D♭2+7+♯1, Asus4♭5+2.

Nearby chords (one more note): A11♭5, B9+♯2, AM11♭5, A+2+4+♯4, D♭9♯5+♯1, A4+2+♯1+♯4, Adim+2+4+♯3.

Parallel chords (same structure, different root): C4+9+♯4, D4+9+♯4, E4+9+♯4, F4+9+♯4, G4+9+♯4, B4+9+♯4.

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

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