Low E string: F#, G#, B, C#, D, D# at frets 2, 4, 7, 9, 10, 11
A string: B, C#, D, D#, F#, G# at frets 2, 4, 5, 6, 9, 11
D string: D, D#, F#, G#, B, C#, D at frets 0, 1, 4, 6, 9, 11, 12
G string: G#, B, C#, D, D#, F# at frets 1, 4, 6, 7, 8, 11
B string: B, C#, D, D#, F#, G#, B at frets 0, 2, 3, 4, 7, 9, 12
High E string: F#, G#, B, C#, D, D# at frets 2, 4, 7, 9, 10, 11
The major blues scale takes the major pentatonic and slips a flat 3rd between the 2nd and the major 3rd. That single chromatic blue note lets you rock the line between minor grit and major brightness, the move you hear all over country, western swing and uptempo blues. Slide or bend from the flat 3rd into the 3rd over a dominant chord and the scale plays itself.
it consists of these notes and degrees:
I
II
bIII
III
V
VI
Characteristic note: D (b3), the blue note that slides into the major third.
Same notes, different mode
B major blues uses the same notes as the scales below. Start from a different note and you get a new mode built on the very same note set.
How to play B major blues on guitar
Open B is the root and open D the flat-third blue note, so a root drone plus a hammer-on from the minor third are free before you fret anything. Capo at fret 2 gives you open A fingerings for the whole key, which lets B borrow every open-position move A owns. E-shape barre lands at fret 7, A-shape at 2. G# minor blues matches this fingering nine semitones above the tonic, and the first position gives out at fret 11.
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