B♭ minor chord on bass (B♭m)

Also called or written B♭m or B♭min

B♭ minor contains B♭, D♭, and F. The 6th fret shape spans four frets and suits intermediate players.

6frB♭FB♭D♭EADG
Positions on the neck1 of 4
Practice B♭ minor chord

How it is built

B♭RootD♭Minor thirdFPerfect fifth

Formula 1, ♭3, 5

Inversions

How do you play a B♭ minor chord on bass?

B♭ minor is played at the 6th fret as 6 8 8 6: index finger on the E string at fret 6, ring finger on the A string at fret 8, pinky finger on the D string at fret 8 and middle finger on the G string at fret 6.

Full note and interval breakdown
StringFretFingerNote
4 (E)61B♭ (1)
3 (A)83F (5)
2 (D)84B♭ (1)
1 (G)62D♭ (♭3)

IntermediateThe stretch between index on fret 6 and pinky on fret 8 requires finger independence.

B♭min/D♭ inversion

B♭ minor is played at the 8th fret as 9 8 8 10: ring finger on the E string at fret 9, index finger on the A string at fret 8, middle finger on the D string at fret 8 and pinky finger on the G string at fret 10.

Full note and interval breakdown
StringFretFingerNote
4 (E)93D♭ (♭3)
3 (A)81F (5)
2 (D)82B♭ (1)
1 (G)104F (5)

B♭min/F inversion · fret 6

B♭ minor is played at the 6th fret as × 8 8 6: middle finger on the A string at fret 8, ring finger on the D string at fret 8 and index finger on the G string at fret 6. The E string stays muted.

Full note and interval breakdown
StringFretFingerNote
4 (E)muted
3 (A)82F (5)
2 (D)83B♭ (1)
1 (G)61D♭ (♭3)

B♭min/F inversion · fret 11

B♭ minor is played at the 11th fret as 13 13 11 ×: middle finger on the E string at fret 13, ring finger on the A string at fret 13 and index finger on the D string at fret 11. The G string stays muted.

Full note and interval breakdown
StringFretFingerNote
4 (E)132F (5)
3 (A)133B♭ (1)
2 (D)111D♭ (♭3)
1 (G)muted

Why it sounds like that

B♭ minor is built from the formula 1, ♭3, 5. The minor 3rd between B♭ and D♭ gives the chord its quality. Compare with B♭ major, where the 3rd is raised a semitone.

What goes wrong with B♭ minor?

  • Letting the ring finger flatten onto the D string, causing a buzz.
  • Not pressing the G string firmly enough with the middle finger, producing a dead note.

When to use it

B♭ minor suits rock and pop lines that need a darker minor color. Pair it with F♯ major for a strong subdominant movement.

Changing to and from B♭ minor

  • Sliding the shape down two frets to the 4th fret gives A♭ minor.
  • Sliding the shape up one fret to the 7th fret gives B minor.

Which voicing to use

The 6th fret position puts B♭ in the bass for a solid root feel. The B♭min/F inversion at ×-8-8-6 places F in the bass, useful for stepwise bass lines.

Other B♭ chords

Common questions

How is B♭ minor written?

B♭ minor is written as B♭m, B♭min, B♭−, or B♭mi. The ASCII root is Bb, so you may see Bbm. It is also spelled A♯ in enharmonic notation for the same sounding root.

What is the difference between B♭ minor and B♭ major?

B♭ minor has a D♭, while B♭ major has a D natural. The minor 3rd makes the chord sound darker.

Can I play B♭ minor with a barre?

The default position does not require a barre. Each finger frets a separate string.