The A9 chord
The A9 chord is built from A, B, C#, E, G. With notation, piano keyboard, guitar and ukulele shapes.
In notation
A seventh chord plus the ninth. Five notes; on the guitar the root or the fifth is usually left out.
Intervals from the root
Piano
Guitar
Ukulele
Related pages
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See AnotonaEvery note on this page is computed, not typed in — following the rule that also makes F# major spell its seventh degree E#, not F.