Bb Minor 11th
Notes:Bb – Db – F – Ab – C – Eb
Formula:R-m3-P5-m7-M9-P11
Intervals:P1-m3-P5-m7-M9-P11
Scale Degrees:1-b3-5-b7-9-11
Introduction
The Bb Minor 11th piano chord (Bbm11) consists of the notes Bb, Db, F, Ab, C, Eb. It is a minor 9th chord with an added perfect 11th, giving it a dark and expansive character commonly used in jazz, funk, and soul. Formula: R-m3-P5-m7-M9-P11 | Scale degrees: 1-b3-5-b7-9-11.
Enharmonic equivalent: B♭ is enharmonically equivalent to A♯. See A# Minor 11th.
Notes
Bb Minor 11th Inversions
| Position | Notes |
|---|---|
| Root Position | Bb4 – Db5 – F5 – Ab5 – C6 – Eb6 |
| 1st Inversion | Db5 – F5 – Ab5 – Bb5 – C6 – Eb6 |
| 2nd Inversion | F5 – Ab5 – Bb5 – C6 – Db6 – Eb6 |
Key Signature
The key of Bb Minor 11th has 5 flats: B♭, E♭, A♭, D♭, G♭.
B♭E♭A♭D♭G♭
Theory: Intervals
Formula: R-m3-P5-m7-M9-P11
Intervals: P1-m3-P5-m7-M9-P11
The Bb Minor 11th is built by stacking intervals from the root note. The formula R-m3-P5-m7-M9-P11 describes the scale degrees used. The intervals P1-m3-P5-m7-M9-P11 show the distance between each note in the chord.
Bb Minor 11th — Frequently Asked Questions
What notes are in the Bb Minor 11th chord?
Bbm11 contains six notes: Bb, Db, F, Ab, C, Eb. Practical voicing: Bb–Db–Ab–C–Eb. No clash.
How does Bbm11 differ from Bb11?
Bbm11 has minor third (Db). Bb11 has major third (D, usually omitted).
How is Bbm11 used in music?
Bbm11 is the ii in Ab Major. Common in jazz, R&B, and gospel.
How does Bbm11 differ from Bbm9?
Adds the eleventh (Eb) for warmth.
What songs use Minor 11th chords?
Neo-soul, jazz, gospel.
Do I need to play all six notes?
Drop the fifth: Bb–Db–Ab–C–Eb.
Practice Tips
- No clash in minor 11ths.
- Bbm11 is common in jazz and R&B in Ab Major.
- Practice Bbm11 → Eb13 → Abmaj9.
- Loop for dark, soulful groove.
- Stacked fourths voicing.
- Drop the fifth for practical voicing.