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A minor ninth chord

The Am9 chord (minor ninth) is made of the notes A, C, E, G, B. Its formula compared with the major scale is 1 ♭3 5 ♭7 9.

Am9

Ninths · 5 notes

Note names

How it is built

DegreeNoteInterval from the root
1AUnison
♭3CMinor third
5EPerfect fifth
♭7GMinor seventh
9BMajor ninth

Inversions

  • Am9A C E G BRoot position

Frequently asked questions

Which notes make up the Am9 chord?
The notes are A, C, E, G, B.
What is the formula of the Am9 chord?
The formula is 1 ♭3 5 ♭7 9: minor third, perfect fifth, minor seventh, major ninth.

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