B Minor 7th
Introduction
Notes
B Minor 7th Inversions
| Position | Notes |
|---|---|
| Root Position | B4 – D5 – F#5 – A5 |
| 1st Inversion | D5 – F#5 – A5 – B5 |
| 2nd Inversion | F#5 – A5 – B5 – D6 |
| 3rd Inversion | B4 – D5 – F#5 – A4 |
Key Signature
The key of B Minor 7th has 2 sharps: F♯, C♯.
Theory: Intervals
The B Minor 7th is built by stacking intervals from the root note. The formula R-m3-P5-m7 describes the scale degrees used. The intervals P1-m3-P5-m7 show the distance between each note in the chord.
B Minor 7th — Frequently Asked Questions
What notes are in the B Minor 7th chord?
The B Minor 7th chord (Bm7) contains four notes: B (root), D (minor third), F# (perfect fifth), and A (minor seventh). The minor triad with minor seventh gives this chord its smooth, introspective quality.
How does B Minor 7th differ from B Dominant 7th?
Both have B as root and A as seventh. The difference is the third: Bm7 has D (minor third) while B7 has D# (major third). Bm7 sounds smooth and melancholy; B7 sounds bright and drives toward E Major.
How is B Minor 7th used in music?
Bm7 is the ii chord in A Major (Bm7–E7–Amaj7) and the iii chord in G Major. It appears frequently in pop, rock, and folk music. Bm7 is also common in acoustic singer-songwriter contexts where A and G Major are popular keys.
What genres commonly use Minor 7th chords?
Minor 7th chords are essential in jazz, R&B, neo-soul, soul, funk, lo-fi hip-hop, and bossa nova. Bm7 also appears heavily in pop, rock, and folk because A Major and G Major are common guitar keys.
What songs use Minor 7th chords?
Minor 7th chords appear throughout Autumn Leaves, So What (Miles Davis), and countless pop songs. Bm7 is especially common in acoustic pop and folk-rock where it serves as the ii chord in A Major.
What is the ii–V–I progression?
The ii–V–I is the most important jazz progression: Bm7 (ii) → E7 (V) → Amaj7 (I) in A Major. This appears in both jazz standards and pop music.
Practice Tips
- Play B Minor then add A — hear how the minor seventh adds smooth depth to the minor triad.
- Compare Bm7 with B7 — one semitone (D vs D#) separates introspective darkness from bluesy brightness.
- Practice the ii–V–I in A: Bm7 → E7 → Amaj7. A Major is common in both jazz and acoustic pop.
- Bm7 is the iii chord in G Major — try Gmaj7 → Am7 → Bm7 → Cmaj7 for a beautiful ascending diatonic walk.
- Try Bm7 in a folk-jazz context: Bm7 → E7 with an arpeggiated left hand creates a warm, introspective feel.
- Rootless voicing: D–F#–A without the B root — this is a D Major triad, the standard jazz shortcut for voicing Bm7.