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 6 9: the major third (M3), perfect fifth (P5), major sixth (M6) and major ninth (M9) above the root, A.
Counted in semitones from A, its notes are 0, 4, 7, 9, 14.
A 6/9 chord adds both the sixth and the ninth to a major triad. It sounds rich but stable, and is a favourite final chord in jazz.
It spans more than an octave, so share it between the hands: the left hand plays A and the right hand plays C♯ E F♯ 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 sixth-ninth chord?
The A6/9 chord has five notes: A, C♯, E, F♯ and B. Counted from the root, its formula is 1-3-5-6-9.
What is the fingering for the A6/9 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 F♯ B.
In other keys
The chord list follows pianochord.io by Enkai Ji, used under the MIT licence. Licence