B♯4+9

B sharp major fourth, add ninth

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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: C4+2, C4+9, B♯4+2, C3+2+♯3, D2+7+♯2, B♯3+2+♯3.

Notes in this chord: B♯, D♯♯, E♯, C♯♯. Integer notation: {0, 2, 4, 5}.

Keys in which this chord fits with this spelling: E♯M, B♯M

Keys in which this chord fits with enharmonic spelling: CM, FM, Dm, Am

Nearby chords (one less note): C4, C3+2, F6-3, D2+♯2.

Nearby chords (one more note): Dm9, C+2+4, Dm9♭5, B♭+2+♯4, C4+2+♯1, C4+2+♯2, B♯♭5+2+4, Bdim+4+♯1.

Parallel chords (same structure, different root): C4+9, D4+9, E4+9, F4+9, G4+9, A4+9, B4+9, C♭4+9, D♭4+9, E♭4+9, F♭4+9, G♭4+9, A♭4+9, B♭4+9, C♯4+9, D♯4+9, E♯4+9, F♯4+9, G♯4+9, A♯4+9.

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

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