A9 8-string guitar chord

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Chord

A dominant ninth

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What notes are in A9?

A9, A dominant ninth, is A, C♯, E, G and B: the root (A), the major third (C♯), the perfect fifth (E), the minor seventh (G) and the ninth (B). Its formula is 1 3 5 ♭7 9.

Can I play A7 instead of A9?

Yes. A9 is A7 with B added; on guitar the root or fifth is often left out to make room for it.

What is the difference between A9 and Aadd9?

A9 has the minor seventh, G, under the ninth; Aadd9 has the ninth with no seventh.

More A chords on 8-string guitar

AbrightAmsadA7the pullAmaj7dreamyAm7mellowAsus2openAsus4openAdimthe edgeAauguneasyA6sweetAm6bittersweetA7sus4openA5rawAm7♭5the edgeAdim7the edgeEvery A chord ›

Dominant ninth chords in every key

C9the pullC♯9the pullD9the pullE♭9the pullE9the pullF9the pullF♯9the pullA♭9the pullB♭9the pullB9the pull

A9 on other instruments

Guitar7-string guitarBass5-string bass6-string bass7-string bass8-string bassUkuleleMandolinBanjo

Also for 8-string guitar

Every 8-string guitar chord, in the Library8-string guitar tunerChord chart maker