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
NoteCE♭FG♭GB♭
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
GDAE135791215open5♭7R♭34♭55♭7♭34♭55♭7R♭34♭7R♭34♭55♭7R4♭55♭7R♭34♭55

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 5–8
GDAE4579R♭35♭7♭34♭7R
Box 2frets 8–11
GDAE7912♭34♭5♭7R4♭55R♭3
Box 3frets 10–13
GDAE9124♭55R♭35♭7♭34
Box 4frets 12–15
GDAE1112155♭7♭34♭7R4♭55
Box 5frets 15–18
GDAE14151719♭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 (Cm) is where it sounds at home.

On theChordSeventh chord
root (C)CmhomeCm7home
♭3 (E♭)E♭daylight–
4 (F)Fsus4the door–
♭7 (B♭)B♭sus4heroic–

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: Cm, E♭, Fsus4 and B♭sus4, and as seventh chords Cm7. C is home: Cm is the chord it sounds most settled over.

The blues scale in every key

CC♯DE♭EFF♯GG♯AB♭B

Other scales in C

C majorC minorC minor pentatonicC major pentatonicC DorianC MixolydianC LydianC PhrygianC harmonic minorC melodic minorC 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.