A♭13

A♭13 is the ab dominant 13th chord, spelled A♭ – C – E♭ – G♭ – B♭ – F. the tallest dominant — the thirteenth on top gives the resolution a wide, singing edge.

The keys
C4C5C6C7
A♭ – C – E♭ – G♭ – B♭ – F
Practise this chord

Plug in your MIDI keyboard and let Coach Tshepho drill you on A♭13 — it plays the chord, names any wrong notes as you play, and moves you on when you nail it.

Create your free account →
What's inside A♭13
NoteInterval from rootDegree
A♭Root1
CMajor 3rd3
E♭Perfect 5th5
G♭Minor 7thb7
B♭Major 9th9
FMajor 13th13
A working voicing

Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:

HandKeys
Left (shell)A♭2 – G♭3
Right (colour)C5 – B♭5 – F6
Where A♭13 lives

As the I chord

A♭13 → D♭ → E♭ → A♭13

The classic I–IV–V–I motion with this chord as home.

In a ii–V–I

B♭m7 → E♭7 → A♭13

The strongest cadence in harmony, resolving onto this chord.

Put A♭13 under your fingers

Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.

Open the Chord & Voicing Lab →
Take it further
Build a progression with it → Reharmonize it →
More Ab chords
A♭ A♭m A♭dim A♭aug A♭sus2 A♭sus4 A♭6 A♭m6 A♭7 A♭maj7 A♭m7 A♭m7♭5 A♭dim7 A♭m(maj7) A♭9 A♭maj9 A♭m9 A♭add9 A♭6/9 A♭m11 A♭13 A♭7♭9 A♭7♯9 A♭7♯5
Dominant 13th in every key
C13 C♯13 D13 E♭13 E13 F13 F♯13 G13 A13 B♭13 B13
Play it over a groove
Free worship grooves & loops →