Diminished 7th slash chord
Level 4: Slash chords
Notes: B, D, F, A♭ · Bass note: D · 9th Position
Also known as: Bdim7/D, Bdim7 over D, B diminished 7th over D, Bdim7 slash D
Fretting hand for left-handed players (your right hand), Bdim7/D. The numbers on the fingertips match the numbers on the chart.Fretting hand for right-handed players (your left hand), Bdim7/D. The numbers on the fingertips match the numbers on the chart.
- 1Index
- 2Middle
- 3Ring
- 4Pinky
- TThumb, behind the neck
How to play Bdim7/D
- Lay your first finger flat across every string from the D string to the B string at the ninth fret.
- Place your second finger on the tenth fret of the low E string.
- Place your third finger on the tenth fret of the G string.
- Strum from the low E string. Do not play the A and high E 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 Bdim7/D, step by step
A short animation that builds the Bdim7/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 Bdim7/D
Practice progression
Bdim7, Bdim7/D
Switch between Bdim7 and Bdim7/D until the changes feel smooth.