B♭4+♯7

B flat dominant fourth, 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: A♯4+♯7, A♯4+♭1, B♭4+♭1, D5+♯1+♯5, Asus4♭5+♯1, Dsus2♭2+♯5.

Notes in this chord: B♭, D, E♭, A. Integer notation: {2, 3, 9, 10}.

Keys in which this chord fits with this spelling: B♭M, Gm

Keys in which this chord fits with enharmonic spelling: A♯M

Nearby chords (one less note): B♭4, D5+♯5, Dsus2♭2, E♭sus4♯4.

Nearby chords (one more note): B♭+4+♭1, D+♯1+♯5, A4+♯1+♯4, E♭+♯4+♭1, Adim+4+♯1, B♭4+♯1+♯7, Asus4+♯1+♯4, A♭sus2+♯1+♯4.

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

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

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