B♭ bebop minor scale on bass guitar

B♭ bebop minor contains B♭, C, D♭, D, E♭, F, G, and A♭. Box 1 spans frets 1–4 and places the root on string 3, fret 1.

FGA♭B♭CD♭E♭FA♭B♭EADG1234
Positions on the neck1 of 5

How it is built

B♭1C2D♭♭3D3E♭4F5G6A♭♭7

Formula 1, 2, ♭3, 3, 4, 5, 6, ♭7

How do you play the B♭ bebop minor scale on bass?

B♭ bebop minor in box 1 runs from fret 1 to fret 4, 10 notes across 4 strings, from F on the E string at fret 1 up to B♭ on the G string at fret 3. The root falls on the A string at fret 1 and the G string at fret 3.

Every note in this box, string by string
StringFretsNotes
4 (E)1, 3, 4F, G, A♭
3 (A)1, 3, 4B♭, C, D♭
2 (D)1, 3E♭, F
1 (G)1, 3A♭, B♭

Box 2 · frets 36

B♭ bebop minor in box 2 runs from fret 3 to fret 6, 13 notes across 4 strings, from G on the E string at fret 3 up to D♭ on the G string at fret 6. The root falls on the E string at fret 6 and the G string at fret 3.

Every note in this box, string by string
StringFretsNotes
4 (E)3, 4, 6G, A♭, B♭
3 (A)3, 4, 5, 6C, D♭, D, E♭
2 (D)3, 5, 6F, G, A♭
1 (G)3, 5, 6B♭, C, D♭

Box 3 · frets 69

B♭ bebop minor in box 3 runs from fret 6 to fret 9, 10 notes across 4 strings, from B♭ on the E string at fret 6 up to E♭ on the G string at fret 8. The root falls on the E string at fret 6 and the D string at fret 8.

Every note in this box, string by string
StringFretsNotes
4 (E)6, 8, 9B♭, C, D♭
3 (A)6, 8E♭, F
2 (D)6, 8A♭, B♭
1 (G)6, 7, 8D♭, D, E♭

Box 4 · frets 811

B♭ bebop minor in box 4 runs from fret 8 to fret 11, 12 notes across 4 strings, from C on the E string at fret 8 up to F on the G string at fret 10. The root falls on the D string at fret 8.

Every note in this box, string by string
StringFretsNotes
4 (E)8, 9, 10, 11C, D♭, D, E♭
3 (A)8, 10, 11F, G, A♭
2 (D)8, 10, 11B♭, C, D♭
1 (G)8, 10E♭, F

Box 5 · frets 1013

B♭ bebop minor in box 5 runs from fret 10 to fret 13, 13 notes across 4 strings, from D on the E string at fret 10 up to A♭ on the G string at fret 13. The root falls on the A string at fret 13.

Every note in this box, string by string
StringFretsNotes
4 (E)10, 11, 13D, E♭, F
3 (A)10, 11, 13G, A♭, B♭
2 (D)10, 11, 12, 13C, D♭, D, E♭
1 (G)10, 12, 13F, G, A♭

Why it sounds like that

B♭ bebop minor adds a major 3rd to B♭ dorian, creating a chromatic run between D♭ and D. The scale includes a tritone between D♭ and G. It has no leading tone. Compare it with B♭ dorian to hear the added major 3rd.

When to use it

B♭ bebop minor fits B♭ major and B♭ minor chords, and works over C minor, D♭ major, E♭ major, F minor, G minor, and A♭ major. Use it in jazz lines over ii–V progressions in D♭ major. Try B♭ major or B♭ minor.

Which position to practise

Practise Box 1 first. It keeps the root under your first finger and covers frets 1–4 for quick chromatic runs.

Common questions

What notes are in B♭ bebop minor?

B♭ bebop minor contains B♭, C, D♭, D, E♭, F, G, and A♭. The scale adds a major 3rd to B♭ dorian. It has eight notes instead of seven. It is also spelled A♯ in enharmonic notation for the same sounding root.

Which chords does B♭ bebop minor fit?

B♭ bebop minor fits B♭ major and B♭ minor chords. It also works over C minor, D♭ major, E♭ major, F minor, G minor, and A♭ major. Use it on ii–V progressions in D♭ major.

Does B♭ bebop minor have a leading tone?

B♭ bebop minor has no leading tone. The seventh degree is A♭, a minor 7th from the root. The scale's chromatic passing tone is the major 3rd, D.