C major sixth dyad · Open position
C–A 7-string guitar chord
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How to play C–A on 7-string guitar
The most common way, the first shape above: your index finger on the low B string at the 1st fret. Let the A string ring open. Don’t play the low E, D, G, high B and high E strings.
From the low B string 1 x 0 x x x x (x: not played, 0: open)
What notes are in C–A?
C–A, C major sixth dyad, is C and A: the root (C) and the major sixth (A). Its formula is 1 6.
More C chords on 7-string guitar
CbrightCmsadC7the pullCmaj7dreamyCm7mellowCsus2openCsus4openCadd9sweetCdimthe edgeCauguneasyC6sweetCm6bittersweetC9the pullC7sus4openC5rawCm7♭5the edgeCdim7the edgeEvery C chord ›
Major sixth dyad chords in every key
C♯–A♯two notesD–Btwo notesE♭–Ctwo notesE–C♯two notesF–Dtwo notesF♯–D♯two notesG–Etwo notesA♭–Ftwo notesA–F♯two notesB♭–Gtwo notesB–G♯two notes
C–A on other instruments
Guitar8-string guitarBass5-string bass6-string bass7-string bass8-string bassUkuleleMandolinBanjo
Also for 7-string guitar
Every 7-string guitar chord, in the Library7-string guitar tunerChord chart maker