Adim+2+♯1+♭4

A diminished, add second, add sharp root, add flat 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: B9-5+♯7+♭2, B9-5+♯7+♭9, Adim+2+♯1+♯3, B♭m4+2+♯1+♯7, B♭m4+2+♯1+♭1, Adim+2+♯1+♯10.

Notes in this chord: A, A♯, B, C, D♭, E♭. Integer notation: {0, 1, 3, 9, 10, 11}.

Nearby chords (one less note): B9-5+♯7, Adim+2+♯1, Adim+2+♯3, B♭m4+2+♯1, A3+2+♯1+♯2, Adim+♯1+♯3.

Nearby chords (one more note): B9+♯1+♯7, B9♯5+♯1+♯7, B♭m11♯7+♯1, A+2+♯1+♯2+♯4, A♭+2+4+♯1+♯2, Adim+2+4+♯1+♯3.

Parallel chords (same structure, different root): Cdim+2+♯1+♭4, Ddim+2+♯1+♭4, Edim+2+♯1+♭4, Fdim+2+♯1+♭4, Gdim+2+♯1+♭4, Bdim+2+♯1+♭4, D♭dim+2+♯1+♭4, E♭dim+2+♯1+♭4, G♭dim+2+♯1+♭4, A♭dim+2+♯1+♭4, B♭dim+2+♯1+♭4.

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

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