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Guitar chords · Six-nine

A6/9 chord on guitar

A6/9 (A six-nine) has five notes: A, C♯, E, F♯ and B, the , 3, 5, 6 and 9.

Shapes

How to play A6/9

Strum a shape to hear it, or pick it one string at a time. R marks the ; the other numbers are the chord tones.

A6/9 has an , and one : the E shape at 5. A movable shape keeps its fingering anywhere on the neck: slide it up or down and the , on the lowest played string, names the chord.

  • Open

    ×5936AEBC♯F♯
  • E shape · fret 5

    4frR3695RAC♯F♯BEA
Name a shape you're holding: the chord finder

Notes and formula

What makes A6/9 six-nine

A 6/9 chord adds both the 6th and the 9th to a major , with no 7th. It sounds rich but settled, so it often ends a song in jazz and bossa nova. Keep the 3rd, the 6th and the 9th; the 5th can go.

  • 1Root: the note the chord is named after. Keep it.
  • 3Essential: makes the chord what it is. Never drop it.
  • 5Optional: drop it first when you run out of fingers.

The 3rd, the 6th and the 9th make A6/9 a six-nine chord; you can leave out the 5th.

  1. ARroot
  2. C♯3essential
  3. E5optional
  4. F♯6essential
  5. B9essential
EADGBE0135791215AAAAAAAAEF♯BC♯EF♯BC♯EF♯BEF♯BC♯EBC♯EF♯BC♯EF♯BC♯EF♯BC♯EF♯
  • A, the root
  • Other chord tones

Keys

Keys with A6/9

A6/9 belongs to six keys: D major (V6/9), A major (I6/9), E major (IV6/9), B minor (VII6/9), F♯ minor (III6/9) and C♯ minor (VI6/9).

Numerals follow the key's own scale, so III, VI and VII in a minor key are its own major chords. A ♭ or ♯ in front marks a chord from outside the key. How Roman numerals work

Questions

A6/9, in short

What notes are in the A6/9 chord?
A6/9 (A six-nine) has five notes: A, C♯, E, F♯ and B, the , 3, 5, 6 and 9.
How do you play A6/9 on guitar?
A6/9 has an , and one : the E shape at 5.
What key is A6/9 in?
A6/9 belongs to six keys: D major (V6/9), A major (I6/9), E major (IV6/9), B minor (VII6/9), F♯ minor (III6/9) and C♯ minor (VI6/9).
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