Blues Scale

The blues scale is similar to the minor pentatonic scale, but with an additional lowered fifth. The lowered fifth, also known as the "blue note", is essential in blues music. The blues scale consist in the following semitones (or frets)

3 - 2 - 1 - 1 - 3 - 2. Here are all the positions to memorize (the red and blue frets are the key and the blue note respectively).

And for every key note this is the chart with its notes.

 

The seventh chords, specially minor seventh chords, sound perfect with blues music. And the 12 bar progression is well known. That is I - I - I - I - IV - IV - I - I -  - V - IV- I - V. See Chord Progression.

I hope you enjoy.

Sorry, I have to go to practice.