Learn to Play A Dominant 13
What notes are in a dominant 13?
The a dominant 13 chord (A13) is built from the notes A, C#, G, B, F# — root, major 3rd, minor 7th, 9th, 13th.
A13
A dominant 7 plus the 13th (in practice: root, 3rd, ♭7, 13 — the 5th, 9th and 11th are implied or omitted). Big name, four-note grip.
How does a dominant 13 sound?
The full-color dominant — bluesy at the bottom, sweet at the top. The 13th (the 6th an octave up) crowns the tritone with warmth.
A V7 with its Sunday clothes on: same pull to I, but the 13th on top voice-leads down a half step into the tonic's 3rd — the smoothest resolution in jazz.
Where do you use A13?
A13 is the dressed-up V of D: its 13th falls a half step onto D's 3rd as you resolve — the smoothest top-voice motion a dominant can make.
A shares blues-rock duty with E and D; every jam session eventually lands on an A chord, usually sooner than you expected.
Jazz standards' final V chords, gospel choir hits, big-band shout choruses, and blues players ending a chorus with one fat G13 stab.
How do you finger A13 on piano?
The standard grip root-3rd-♭7-13 sits under 1-2-3-5 with a characteristic wide top: the pinky reaches the 13th a 6th above the thumb's octave line.
Five-note grips are often split between the hands or rolled — keep the top note singing.
Tip: the common mistake
Reading "13" and trying to stack seven notes. The chord is defined by 3rd + ♭7 + 13; everything else is optional. Play the shell, not the encyclopedia.
Reading about A Dominant 13 is step one — recognizing it at speed is the game. Chord Rush drills it until your hands know it.
- ⚡Speed
- ◎Accuracy
- ♪Recognition