Bb Minor
Bbm minor has 5 flats. Its relative major is Db and its parallel key is Bb. This page lists the signature, scale notes, diatonic chords, and go-to progressions, with tools that play the sound.
Key signature
Flats: 5 (Notes: Bb, Eb, Ab, Db, Gb)
Scale notes
The notes that make up this scale, shown with their degrees.
| Degree | 1 | 2 | ♭3 | 4 | 5 | ♭6 | ♭7 |
|---|---|---|---|---|---|---|---|
| Note | Bb | C | Db | Eb | F | Gb | Ab |
Diatonic chords
The chords that belong to this key, color-coded by role: T (tonic), SD (subdominant), D (dominant).
Triads
| Degree | Chord | Notes | Function |
|---|---|---|---|
| Ⅰm | Bbm | Bb Db F | T |
| Ⅱdim | Cdim | C Eb Gb | SD |
| Ⅲ | Db | Db F Ab | T |
| Ⅳm | Ebm | Eb Gb Bb | SD |
| Ⅴm | Fm | F Ab C | D |
| Ⅵ | Gb | Gb Bb Db | T |
| Ⅶ | Ab | Ab C Eb | D |
Seventh chords
| Degree | Chord | Notes | Function |
|---|---|---|---|
| Ⅰm7 | Bbm7 | Bb Db F Ab | T |
| Ⅱm7b5 | Cm7b5 | C Eb Gb Bb | SD |
| Ⅲmaj7 | Dbmaj7 | Db F Ab C | T |
| Ⅳm7 | Ebm7 | Eb Gb Bb Db | SD |
| Ⅴm7 | Fm7 | F Ab C Eb | D |
| Ⅵmaj7 | Gbmaj7 | Gb Bb Db F | T |
| Ⅶ7 | Ab7 | Ab C Eb Gb | D |
This table uses the natural minor. Raising the 7th (harmonic minor) turns V into F (V7 = F7) for a stronger resolution.
Related keys
Go-to progressions in this key
Common progressions written out with the real chord names for this key. Play them in the progression player to hear them.
| Progression | Chords | |
|---|---|---|
| Andalusian Cadence | Bbm - Adim - Gb - F | ▶ Play in player |
| Minor II-V-I | Cm7b5 - F7 - Bbm7 | ▶ Play in player |
| Rock Power Progression | Bbm - Ab - Ebm - Bbm | ▶ Play in player |
Hear it with the tools
Links that open each tool preset to this key.
Related articles
Articles for anyone who wants to understand keys and signatures more deeply.