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C♯ major scale on bass guitar
C♯ major contains C♯, D♯, E♯, F♯, G♯, A♯, and B♯. Box 1 spans frets 1–4 with roots on string 3, fret 4 and string 1, fret 6.
How it is built
Formula 1, 2, 3, 4, 5, 6, 7
How do you play the C♯ major scale on bass?
C♯ major in box 1 runs from fret 1 to fret 4, 11 notes across 4 strings, from E♯ on the E string at fret 1 up to A♯ on the G string at fret 3. The root falls on the A string at fret 4.
Every note in this box, string by string
| String | Frets | Notes |
|---|---|---|
| 4 (E) | 1, 2, 4 | E♯, F♯, G♯ |
| 3 (A) | 1, 3, 4 | A♯, B♯, C♯ |
| 2 (D) | 1, 3, 4 | D♯, E♯, F♯ |
| 1 (G) | 1, 3 | G♯, A♯ |
Box 2 · frets 4–6
C♯ major in box 2 runs from fret 4 to fret 6, 8 notes across 4 strings, from G♯ on the E string at fret 4 up to C♯ on the G string at fret 6. The root falls on the A string at fret 4 and the G string at fret 6.
Every note in this box, string by string
| String | Frets | Notes |
|---|---|---|
| 4 (E) | 4, 6 | G♯, A♯ |
| 3 (A) | 4, 6 | C♯, D♯ |
| 2 (D) | 4, 6 | F♯, G♯ |
| 1 (G) | 5, 6 | B♯, C♯ |
Box 3 · frets 6–9
C♯ major in box 3 runs from fret 6 to fret 9, 10 notes across 4 strings, from A♯ on the E string at fret 6 up to D♯ on the G string at fret 8. The root falls on the E string at fret 9 and the G string at fret 6.
Every note in this box, string by string
| String | Frets | Notes |
|---|---|---|
| 4 (E) | 6, 8, 9 | A♯, B♯, C♯ |
| 3 (A) | 6, 8, 9 | D♯, E♯, F♯ |
| 2 (D) | 6, 8 | G♯, A♯ |
| 1 (G) | 6, 8 | C♯, D♯ |
Box 4 · frets 9–11
C♯ major in box 4 runs from fret 9 to fret 11, 8 notes across 4 strings, from C♯ on the E string at fret 9 up to F♯ on the G string at fret 11. The root falls on the E string at fret 9 and the D string at fret 11.
Every note in this box, string by string
| String | Frets | Notes |
|---|---|---|
| 4 (E) | 9, 11 | C♯, D♯ |
| 3 (A) | 9, 11 | F♯, G♯ |
| 2 (D) | 10, 11 | B♯, C♯ |
| 1 (G) | 10, 11 | E♯, F♯ |
Box 5 · frets 11–14
C♯ major in box 5 runs from fret 11 to fret 14, 9 notes across 4 strings, from D♯ on the E string at fret 11 up to G♯ on the G string at fret 13. The root falls on the D string at fret 11.
Every note in this box, string by string
| String | Frets | Notes |
|---|---|---|
| 4 (E) | 11, 13, 14 | D♯, E♯, F♯ |
| 3 (A) | 11, 13 | G♯, A♯ |
| 2 (D) | 11, 13 | C♯, D♯ |
| 1 (G) | 11, 13 | F♯, G♯ |
Why it sounds like that
C♯ major is built from the whole-step, whole-step, half-step pattern W, W, H, W, W, W, H. It is the Ionian mode of C♯. Compare its seven notes to the five-note C♯ major pentatonic, which omits E♯ and B♯.
When to use it
C♯ major fits C♯ major and C♯ 5th chords. Use it over I–IV–V progressions in C♯, such as C♯–F♯–G♯.
Which position to practise
Practise Box 1 first. It places the root C♯ on string 3, fret 4 and keeps the scale within frets 1–4.
Common questions
What notes are in the C♯ major scale?
C♯ major contains C♯, D♯, E♯, F♯, G♯, A♯, and B♯. The scale follows the pattern W, W, H, W, W, W, H. These notes form the Ionian mode on C♯. It is also spelled D♭ in enharmonic notation for the same sounding root.
Which chords fit the C♯ major scale?
C♯ major fits C♯ major and C♯ 5th chords. It also works over the diatonic chords of C♯ major. Use it for progressions like C♯–F♯–G♯.
What is the difference between C♯ major and C♯ major pentatonic?
C♯ major has seven notes; C♯ major pentatonic has five. The pentatonic omits E♯ and B♯. The full scale adds the fourth and seventh degrees.