A sharp major, add sharp 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♯+♭5, B♭+♯4, B♭+♭5, A♯+♯11, B♭+♯11, Dm♯5+2.

Notes in this chord: A♯, C♯♯, D♯♯, E♯. Integer notation: {2, 4, 5, 10}.

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

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

Nearby chords (one less note): B♭, B♭♭5, D2+♯2, B♭sus4♯4.

Nearby chords (one more note): B♭6+♯4, B♭7+♯4, B♭+2+♯4, B♭+4+♯4, B♭+♯1+♯4, B♭+♯2+♯4, B♭+♯4+♯5, B♭+♯4+♭1.

Parallel chords (same structure, different root): C+♯4, D+♯4, E+♯4, F+♯4, G+♯4, A+♯4, B+♯4, C♭+♯4, D♭+♯4, E♭+♯4, F♭+♯4, G♭+♯4, A♭+♯4, B♭+♯4, C♯+♯4, D♯+♯4, E♯+♯4, F♯+♯4, G♯+♯4, B♯+♯4.

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