Guitar chords · Dominant 9th
A♭9 chord on guitar (Ab9)
A♭9 (A♭ The 5th degree of a key and the chord on it (V). It creates tension that wants to resolve home to the tonic. 9th) has five notes: A♭, C, E♭, G♭ and B♭, the The note a chord is named after and built up from. C is the root of C, Cm and C7., 3, 5, ♭7 and 9.
Shapes
How to play A♭9
Strum a shape to hear it, or pick it one string at a time. R marks the The note a chord is named after and built up from. C is the root of C, Cm and C7.; the other numbers are the chord tones.
A♭9 has no common A chord played near the nut that uses some unfretted strings, such as the open G, C or Em.. Play it as the E shape at The metal strips across the neck, and the spaces between them. Each fret raises a string by one half step. 4 or the A shape at fret 11. A A chord or scale fingering with no open strings. Slide it up or down the neck and it changes its root but not its type: a major shape stays major. keeps its fingering anywhere on the neck: slide it up or down and the The note a chord is named after and built up from. C is the root of C, Cm and C7., on the lowest played string, names the chord.
E shape · fret 4
A shape · fret 11
Notes and formula
What makes A♭9 dominant 9th
A The 5th degree of a key and the chord on it (V). It creates tension that wants to resolve home to the tonic. 9th chord is a A major chord with a minor 7th added, such as G7. It is the V7 of a key and pulls strongly to the I chord. chord with the 9th stacked on top. It keeps the A triad with one more 3rd on top, the 7th, which makes four notes: G7, Cmaj7 and Am7 are seventh chords.'s pull to the chord a 5th below but sounds fuller and smoother: the sound of funk, soul and the blues. Keep the 3rd, the ♭7th 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 ♭7th and the 9th make A♭9 a The 5th degree of a key and the chord on it (V). It creates tension that wants to resolve home to the tonic. 9th chord; you can leave out the 5th.
- A♭Rroot
- C3essential
- E♭5optional
- G♭♭7essential
- B♭9essential
- A♭, the root
- Other chord tones
A♭9 usually resolves to D♭ or D♭m, the chord a 5th below: the V9–I move.
A♭9 and G♯9 are the same chord with two names: same The metal strips across the neck, and the spaces between them. Each fret raises a string by one half step., same sound. Which one you see depends on the key the song is written in.
Keys
Keys with A♭9
A♭9 belongs to two keys: D♭ major (V9) and B♭ minor (VII9).
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
Slash chords
A♭9 over another bass note
A A chord with a different note in the bass, written after a slash: C/E is a C chord with E as its lowest note. The letter after the slash is the bass. keeps A♭9 on top and puts another note in the bass: the letter after the slash is the lowest note you play.
- A♭9/C
A♭9 with its 3rd, C, in the bass.
- A♭9/E♭
A♭9 with its 5th, E♭, in the bass.
- A♭9/G♭
A♭9 with its ♭7th, G♭, in the bass.
Same root
Other chords on G♯ / A♭
Change one or two notes and the same The note a chord is named after and built up from. C is the root of C, Cm and C7. gives a different colour. Compare them by ear.
- A♭ major
- G♯m minor
- A♭7 dominant 7th
- A♭maj7 major 7th
- G♯m7 minor 7th
- A♭sus2 suspended 2nd
- A♭sus4 suspended 4th
- A♭6 major 6th
- G♯m6 minor 6th
- A♭add9 add 9
- A♭maj9 major 9th
- G♯m9 minor 9th
- A♭13 dominant 13th
- A♭maj13 major 13th
- G♯m11 minor 11th
- G♯° diminished
- G♯m7♭5 half-diminished 7th
- G♯°7 diminished 7th
- A♭+ augmented
- A♭5 power chord
- A♭7sus4 dominant 7th suspended 4th
- G♯m(maj7) minor major 7th
- A♭6/9 six-nine
- G♯m(add9) minor add 9
- A♭7♯9 dominant 7th sharp 9th
Questions
A♭9, in short
- What notes are in the A♭9 chord?
- A♭9 (A♭ The 5th degree of a key and the chord on it (V). It creates tension that wants to resolve home to the tonic. 9th) has five notes: A♭, C, E♭, G♭ and B♭, the The note a chord is named after and built up from. C is the root of C, Cm and C7., 3, 5, ♭7 and 9.
- How do you play A♭9 on guitar?
- A♭9 has no common A chord played near the nut that uses some unfretted strings, such as the open G, C or Em.. Play it as the E shape at The metal strips across the neck, and the spaces between them. Each fret raises a string by one half step. 4 or the A shape at fret 11.
- What key is A♭9 in?
- A♭9 belongs to two keys: D♭ major (V9) and B♭ minor (VII9).
- Is A♭9 the same as G♯9?
- Yes: same frets, same sound, different name. A♭9 is the spelling in D♭ major and B♭ minor; G♯9 in C♯ major and A♯ minor, which most players write as D♭ major and B♭ minor.