Learn › A Flat Dominant 7 Chord on Guitar (Ab7)
New Released in April 2026
A Flat Dominant 7 Chord on Guitar (Ab7)
To play Ab7 on guitar, lay the index finger across fret 4 and add the other fingers. Then strum all six strings: the notes Ab, C, Eb, Gb ring together. Here is the shape, finger by finger, plus the chords you will play next to it.
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- MIDI keyboard
- Digital or acoustic piano
- Guitar
- Computer, phone or tablet
How to play Ab7 on guitar
Finger by finger
- Index: across the strings (barre), fret 4
- Ring: 5th string (A), fret 6
- Middle: 3rd string (G), fret 5
Strings to play
464544: × = do not play, 0 = open string.
Where Ab7 is used
Ab7 pulls towards C#: play Ab7, then C#, and you hear it land. It is the V7 chord of C# major.
The notes inside Ab7, string by string
| 6th string (low E) | fret 4: Ab |
|---|---|
| 5th string (A) | fret 6: Eb |
| 4th string (D) | fret 4: Gb |
| 3rd string (G) | fret 5: C |
| 2nd string (B) | fret 4: Eb |
| 1st string (high E) | fret 4: Ab |
From Ab to Ab7: 4th string (D): fret 6 → fret 4.
Slide this shape along the neck: fret 2 = F#7, fret 3 = G7, fret 5 = A7, fret 6 = Bb7.
Make Ab7 automatic
Strum Ab7 near the microphone when it comes up in ChordRunner: the game checks all four notes, Ab, C, Eb, Gb, and moves on. MIDI keyboard or microphone, both work. MIDI keyboard or microphone, both work.
Play the demoCommon questions
Is Ab7 easy on guitar?
It is a barre chord at fret 4, so it takes a little more strength at first. Start slowly, check that every string rings, then practise switching to Ab.
What is the difference between Ab7 and Ab on guitar?
Ab7 adds one note to Ab: Gb, on top of Ab C Eb. From Ab to Ab7: 4th string (D): fret 6 → fret 4.
Which fingers do I use for Ab7?
Index finger: across the strings (barre), fret 4, ring finger: 5th string (A), fret 6, middle finger: 3rd string (G), fret 5.
Does ChordRunner hear Ab7 on guitar?
Yes. Strum it near the phone or computer microphone and the game checks the four notes Ab, C, Eb, Gb. A USB MIDI keyboard works too.
Your instrument is the controller.
ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.
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