D blues diminished scale on bass guitar

D blues diminished runs D, E♭, F, F♯, A♭, A, B, C. Practise Box 2 to keep the root on string 3, fret 5.

FF♯A♭BCE♭FF♯A♭ABEADG1234
Positions on the neck1 of 4

How it is built

D1E♭♭2F♭3F♯3A♭♭5A5B6C♭7

Formula 1, ♭2, ♭3, 3, ♭5, 5, 6, ♭7

How do you play the D blues diminished scale on bass?

D blues diminished in box 1 runs from fret 1 to fret 4, 11 notes across 4 strings, from F on the E string at fret 1 up to B on the G string at fret 4. No root falls inside this box; it sits between two of them.

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

Box 2 · frets 47

D blues diminished in box 2 runs from fret 4 to fret 7, 11 notes across 4 strings, from A♭ on the E string at fret 4 up to D on the G string at fret 7. The root falls on the A string at fret 5 and the G string at fret 7.

Every note in this box, string by string
StringFretsNotes
4 (E)4, 5, 7A♭, A, B
3 (A)5, 6D, E♭
2 (D)4, 6, 7F♯, A♭, A
1 (G)4, 5, 7B, C, D

Box 3 · frets 710

D blues diminished in box 3 runs from fret 7 to fret 10, 11 notes across 4 strings, from B on the E string at fret 7 up to F on the G string at fret 10. The root falls on the E string at fret 10 and the G string at fret 7.

Every note in this box, string by string
StringFretsNotes
4 (E)7, 8, 10B, C, D
3 (A)8, 9F, F♯
2 (D)7, 9, 10A, B, C
1 (G)7, 8, 10D, E♭, F

Box 4 · frets 1013

D blues diminished in box 4 runs from fret 10 to fret 13, 11 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 E string at fret 10 and the D string at fret 12.

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

Why it sounds like that

D blues diminished adds a ♭2 to the D hungarian major scale, which supplies the other seven notes. The scale contains a tritone between D and A♭, but no leading tone. Compare it with D hungarian major.

When to use it

D blues diminished fits D major and D minor chords for blues lines. It also works over E♭ diminished and E♭ diminished 7th in passing. Use it in D blues progressions when you need a darker, chromatic edge.

Which position to practise

Learn Box 2 first: it keeps the D root on string 3, fret 5 and string 1, fret 7. That position covers frets 4–7 and sets up Box 3.

Common questions

What notes are in D blues diminished?

D blues diminished contains D, E♭, F, F♯, A♭, A, B, and C. The scale degrees are 1, ♭2, ♭3, 3, ♭5, 5, 6, and ♭7. It has eight notes total.

What chords does D blues diminished fit?

D blues diminished fits D major and D minor chords. It also works over E♭ diminished and E♭ diminished 7th chords. Use it for blues lines with a chromatic twist.

What is the difference between D blues diminished and D hungarian major?

D blues diminished adds a ♭2 to D hungarian major. D hungarian major has seven notes: D, F, F♯, A♭, A, B, C. The blues diminished version includes E♭ as the extra note.

Does D blues diminished contain a tritone?

D blues diminished contains a tritone between D and A♭. That interval is a diminished fifth, six semitones above the root. It does not contain a leading tone.