B flat diminished, add fourth

music notation
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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: A♯dim+4, A♯dim+11, A♯dim+♭5, B♭dim+11, B♭dim+♭5, D♭2+6+♯2.

Notes in this chord: B♭, D♭, E♭, F♭. Integer notation: {1, 3, 4, 10}.

Keys in which this chord fits with this spelling: C♭M, A♭m

Keys in which this chord fits with enharmonic spelling: BM, G♯m

Nearby chords (one less note): B♭m4, B♭dim, D♭2+♯2, E♭sus2♭2.

Nearby chords (one more note): E♭9♭9, G♭7+6, D♭m9♭7, A+♯1+♯4, B♭m+4+♯4, B♭♭5+4+♯2, B♭dim+2+4, B♭dim+4+♯1.

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

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