Inversions
This chord spans more than an octave, so it is usually played in root position and shared between the hands.
About this chord
Its formula is 1 ♭3 5 ♭7 9: the minor third (m3), perfect fifth (P5), minor seventh (m7) and major ninth (M9) above the root, A.
Counted in semitones from A, its notes are 0, 3, 7, 10, 14.
A minor 9th chord adds the ninth to a minor 7th chord. It sounds warm and smooth, and often takes the place of a minor 7th in jazz and soul.
In major keys it is ii9 in G major and vi9 in C major.
In natural minor keys it is i9 in A minor and iv9 in E minor.
It spans more than an octave, so share it between the hands: the left hand plays A and the right hand plays C E G B.
Find the root first, place the other fingers over the coloured keys, then press them all together so every note sounds at the same time.
Questions and answers
What notes are in the A minor 9th chord?
The Am9 chord has five notes: A, C, E, G and B. Counted from the root, its formula is 1-♭3-5-♭7-9.
What is the fingering for the Am9 chord?
It spans more than an octave, so share it between the hands: the left hand plays A and the right hand plays C E G B.
Which keys contain the Am9 chord?
In major keys it is ii9 in G major and vi9 in C major. In natural minor keys it is i9 in A minor and iv9 in E minor.
In other keys
The chord list follows pianochord.io by Enkai Ji, used under the MIT licence. Licence