Diminished 7th slash chord
Level 4: Slash chords
Notes: D, F, A♭, C♭ · Bass note: B · 1st Position
Also known as: Ddim7/B, Ddim7 over B, D diminished 7th over B, Ddim7 slash B
Fretting hand for left-handed players (your right hand), Ddim7/B. The numbers on the fingertips match the numbers on the chart.Fretting hand for right-handed players (your left hand), Ddim7/B. The numbers on the fingertips match the numbers on the chart.
- 1Index
- 2Middle
- 3Ring
- 4Pinky
- TThumb, behind the neck
How to play Ddim7/B
- Place your first finger on the first fret of the G string.
- Place your second finger on the second fret of the A string.
- Place your third finger on the third fret of the D string.
- Place your fourth finger on the third 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 Ddim7/B, step by step
A short animation that builds the Ddim7/B 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 Ddim7/B
Practice progression
Ddim7, Ddim7/B
Switch between Ddim7 and Ddim7/B until the changes feel smooth.