Diminished 7th slash chord
Level 4: Slash chords
Notes: G, B♭, D♭, F♭ · Bass note: D♭ · 3rd Position
Also known as: Gdim7/D♭, Gdim7/Db, Gdim7 over D♭, Gdim7 over Db, G diminished 7th over D♭, Gdim7 slash D♭
Fretting hand for left-handed players (your right hand), Gdim7/D♭. The numbers on the fingertips match the numbers on the chart.Fretting hand for right-handed players (your left hand), Gdim7/D♭. The numbers on the fingertips match the numbers on the chart.
- 1Index
- 2Middle
- 3Ring
- 4Pinky
- TThumb, behind the neck
How to play Gdim7/D♭
- Place your first finger on the third fret of the G string.
- Place your second finger on the fourth fret of the A string.
- Place your third finger on the fifth fret of the D string.
- Place your fourth finger on the fifth fret of the B string.
- Strum only the A, D, G and B strings.
Tips for new players
- Keep your thumb behind the neck and let your fingers arch.
- Press just behind the fret, not on top of it, so every string rings clearly.
- Play the plain chord first, then this slash chord, and listen to how the new bass note changes the sound.
Chord video
Watch Gdim7/D♭, step by step
A short animation that builds the Gdim7/D♭ chart and explains every symbol on it.
- X marks a string that is muted or not played.
- Open circle marks a string you play without fretting.
- Numbered dot marks a fretted string. The number is the finger to use.
Learn and practice Gdim7/D♭
Practice progression
Gdim7, Gdim7/D♭
Switch between Gdim7 and Gdim7/D♭ until the changes feel smooth.