Mandolin · blues

C♯ blues scale on mandolin

The C♯ blues scale has six notes: C♯, E, F♯, G, G♯ and B (1 ♭3 4 ♭5 5 ♭7). The minor pentatonic with the flat 5th added: the blue note. Use it on the way between the 4th and the 5th rather than holding it.

The notes of the C♯ blues scale
NoteC♯EF♯GG♯B
Interval1 (root)♭34♭55♭7
Step to the next1½wholehalfhalf1½whole
Make a practice sheet of it
The whole neckevery C♯ blues scale note from the nut to fret 15, the root a diamond
GDAE135791215open♭55♭7R♭34♭55♭34♭55♭7R♭3♭7R♭34♭55♭7♭34♭55♭7R♭34♭5

5 positions to learn it in

The C♯ blues scale is learnt in five boxes, each two notes a string under the hand, joined end to end up the neck. Start with box 1 and learn one at a time; together they cover the whole fretboard. Press Play to hear each one, up and back down.

Box 1frets 6–9
GDAE579R♭35♭7♭34♭7R
Box 2frets 9–12
GDAE8912♭34♭5♭7R4♭55R♭3
Box 3frets 11–14
GDAE1012154♭55R♭35♭7♭34
Box 4frets 13–16
GDAE1215175♭7♭34♭7R4♭55
Box 5frets 16–19
GDAE151719♭7R4♭55R♭35♭7

Chords that go with the C♯ blues scale

The chords on each note of the scale that use only its notes. Play over any of them and every note fits; C♯ (C♯m) is where it sounds at home.

On theChordSeventh chord
root (C♯)C♯mhomeC♯m7home
♭3 (E)Edaylight–
4 (F♯)F♯sus4the door–
♭7 (B)Bsus4heroic–

Scales with the same notes

Compare the C♯ minor pentatonic scale, its minor pentatonic, without the blue note.

Questions

What notes are in the C♯ blues scale?

C♯, E, F♯, G, G♯ and B. Its intervals from the root are 1 ♭3 4 ♭5 5 ♭7, and the steps between its notes are W+H W H H W+H W (W a whole step, H a half step).

What chords go with the C♯ blues scale?

The chords made only of its notes: C♯m, E, F♯sus4 and Bsus4, and as seventh chords C♯m7. C♯ is home: C♯m is the chord it sounds most settled over.

The blues scale in every key

CC♯DE♭EFF♯GG♯AB♭B

Other scales in C♯

D♭ majorC♯ minorC♯ minor pentatonicD♭ major pentatonicC♯ DorianD♭ MixolydianD♭ LydianC♯ PhrygianC♯ harmonic minorC♯ melodic minorD♭ Phrygian dominant

Practise it on a sheet of your own in the practice sheet maker, with a metronome and a drone. Every scale: mandolin scales. This scale on guitar, bass, ukulele and banjo.