A♭dim+4+♯1

A flat diminished, add fourth, add sharp root

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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+♯7, A4+2+♭1, A4+9+♯7, G♯dim+4+♯1, A♭dim+11+♯1, G♯dim+11+♯1.

Notes in this chord: A♭, A, C♭, D♭, E♭♭. Integer notation: {1, 2, 8, 9, 11}.

Keys in which this chord fits with enharmonic spelling: AM, G♭m, F♯m

Nearby chords (one less note): A4+2, A4+♯7, B2+6+7, A♭dim+4, A♭dim+♯1.

Nearby chords (one more note): AM11, E13-1, AM11♯5, AM11♭5, G+2+♯1+♯4, A♭dim+2+4+♯1, A♭dim+4+♯1+♯3.

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

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

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