F augmented scale on bass guitar

F augmented contains F, G♯, A, C, C♯, and E. Box 1 places the root on string 4, fret 1 and string 2, fret 3.

FG♯CC♯EFG♯AEADG1234
Positions on the neck1 of 3

How it is built

F1G♯♯2A3C5C♯♯5E7

Formula 1, ♯2, 3, 5, ♯5, 7

How do you play the F augmented scale on bass?

F augmented in box 1 runs from fret 1 to fret 4, 8 notes across 4 strings, from F on the E string at fret 1 up to A on the G string at fret 2. The root falls on the E string at fret 1 and the D string at fret 3.

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

Box 2 · frets 47

F augmented in box 2 runs from fret 4 to fret 7, 8 notes across 4 strings, from G♯ on the E string at fret 4 up to C♯ on the G string at fret 6. No root falls inside this box; it sits between two of them.

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

Box 3 · frets 811

F augmented in box 3 runs from fret 8 to fret 11, 8 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 A string at fret 8 and the G string at fret 10.

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

Why it sounds like that

F augmented derives from F harmonic minor by raising the fourth degree to C♯. The scale steps 1½, H, 1½, H, 1½, H create a symmetrical pattern with no tritone. The major seventh E acts as a leading tone to F.

When to use it

F augmented fits F major and F minor chords. Use it over A♭ augmented and C augmented for altered colors. It suits jazz and fusion in A♭ major or D minor contexts.

Which position to practise

Practise Box 1 first: the root sits on string 4, fret 1, and the shape covers frets 1–4. It sets up Box 2 by moving the pattern up the neck.

Common questions

What notes are in F augmented?

F augmented contains F, G♯, A, C, C♯, and E. The scale has no tritone and includes a leading tone. Practise it in Box 1 starting on string 4, fret 1.

Which chords work with F augmented?

F augmented fits F major and F minor chords. It also works over A♭ augmented and C augmented. Use it for jazz or fusion lines.

How is F augmented different from F harmonic minor?

F augmented raises the fourth degree of F harmonic minor to C♯. This creates the augmented fifth interval. The scale keeps the leading tone E.