Bdim7
Dim 7 · B – D – F – G♯
- BR
- Dm3
- F♭5
- G♯6
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the Bdim7 chord
The Bdim7 chord (Dim 7) is built from B (the root), D (a minor third), F (a diminished fifth) and G♯ (a major sixth). Diminished seventh chords are symmetrical and restless, handy for dramatic passing motion.