B♭ minor has 5 flats (B♭ E♭ A♭ D♭ G♭). Its seven chords are B♭m, C°, D♭, E♭m, Fm, G♭, A♭. It's the relative minor of D♭ major: the same notes and chords, with B♭m as home.
On the wheel, the minor key's i, iv and v sit together on the inner ring with ♭III, ♭VI and ♭VII right above them. Tap any key on the wheel to go to its page.
Open B♭ minor in the interactive wheel| Number | Chord | 7th chord |
|---|---|---|
| i | B♭m | B♭m7 |
| ii° | C° | Cm7♭5 |
| ♭III | D♭ | D♭maj7 |
| iv | E♭m | E♭m7 |
| v | Fm | Fm7 |
| ♭VI | G♭ | G♭maj7 |
| ♭VII | A♭ | A♭7 |
The major V pulls home harder than the minor v (House of the Rising Sun, Hotel California). The major IV is the Dorian sound (Oye Como Va, Get Lucky). Ending on a major I is the old "Picardy" trick.
The same slot on the wheel with a different flavour. Sus chords swap the 3rd for the 2nd or 4th and like to resolve back to the plain chord (B♭sus4 → B♭m). add9 adds the 2nd on top of the full chord. These are the common ones whose notes all stay in the key (here: B♭sus2, B♭sus4, D♭add9); the small label is the slot they sit in.
B♭ natural minor: B♭ C D♭ E♭ F G♭ A♭. The key's seven chords are built from these notes; the borrowed and secondary chords above bring in notes from outside it.
The seven chords in Bb minor are Bbm, C°, Db, Ebm, Fm, Gb, Ab. As 7th chords: Bbm7, Cm7b5, Dbmaj7, Ebm7, Fm7, Gbmaj7, Ab7.
Bb minor has 5 flats (Bb Eb Ab Db Gb).
Db major. It uses exactly the same notes and chords; only the home chord changes.
i bVI bIII bVII: Bbm Gb Db Ab; i iv v: Bbm Ebm Fm; i bVII bVI V: Bbm Ab Gb F.