A+4

A major, add fourth

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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+♯3, A+11, D2+5+♯7, C♯m♯5+♯1, D♭m♯5+♯1, Dsus2+♭1.

Notes in this chord: A, C♯, D, E. Integer notation: {1, 2, 4, 9}.

Keys in which this chord fits with this spelling: DM, AM, Bm, F♯m

Keys in which this chord fits with enharmonic spelling: C♭m, G♭m

Nearby chords (one less note): A, A4, D2+♯7, Dsus2.

Nearby chords (one more note): DM9, A7+4, A+2+4, A+4+♯1, A+4+♯2, A+4+♯4, A+4+♯5, A+4+♭1.

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

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

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