The key of B♭ major has 2 flats (B♭, E♭). The notes of the scale are B♭, C, D, E♭, F, G, A and its diatonic chords are Bb, Cm, Dm, Eb, F, Gm, A°.
B♭ major scale
B♭ major scale: B♭ · C · D · E♭ · F · G · A · B♭
Step: B♭ W C W D H E♭ W F W G W A H B♭
The chords (triads)
| Degree | Symbol | Notes | |
|---|---|---|---|
| I | Bb tonic | B♭ D F | |
| ii | Cm subdominant | C E♭ G | |
| iii | Dm tonic | D F A | |
| IV | Eb subdominant | E♭ G B♭ | |
| V | F dominant | F A C | |
| vi | Gm tonic | G B♭ D | |
| vii° | A° dominant | A C E♭ |
Seventh chords
| Degree | Symbol | Notes | |
|---|---|---|---|
| I | Bb7M | B♭ D F A | |
| ii | Cm7 | C E♭ G B♭ | |
| iii | Dm7 | D F A C | |
| IV | Eb7M | E♭ G B♭ D | |
| V | F7 | F A C E♭ | |
| vi | Gm7 | G B♭ D F | |
| viiø | Am7(b5) | A C E♭ G |
Common progressions in B♭ major
- Bb – F – Gm – Eb (I – V – vi – IV)
- Bb – Gm – Eb – F (I – vi – IV – V)
- Cm – F – Bb (ii – V – I)
- Bb – Eb – F – Bb (I – IV – V – I)
Relative key
The relative minor of B♭ major is G minor: same notes and chords, starting from G.
Chords in other keys
Major keys: C major · G major · D major · A major · E major · B major · F♯ major · G♭ major · D♭ major · A♭ major · E♭ major · B♭ major · F major
Minor keys: A minor · E minor · B minor · F♯ minor · C♯ minor · G♯ minor · E♭ minor · B♭ minor · F minor · C minor · G minor · D minor
Learn how it works in diatonic chords: the complete guide and practice the scales in the app with your microphone.
Frequently asked questions
What chords are in the key of B♭ major?
Bb, Cm, Dm, Eb, F, Gm, A°. With sevenths: Bb7M, Cm7, Dm7, Eb7M, F7, Gm7, Am7(b5).
How many sharps or flats does B♭ major have?
The key of B♭ major has 2 flats (B♭, E♭).
What is the relative minor of B♭ major?
G minor, which uses the same notes.