Great blues guitarist like Robert Johnson, Muddy Waters, Lead Belly, etc all have made use of the open string minor pentatonic blues scale. Below is the E minor blues pentatonic scale in the first position. This scale is great for them airy blues licks that we all come to enjoy.
E Minor Pentatonic Blues Scale Open Position
|-------------------------0-3----|
|---------------------0-3--------|
|---------------0-2-3------------|
|-----------0-2------------------|
|-----0-1-2----------------------|
|-0-3----------------------------|
Practice the scale until you can play is smoothly.
You can also play the same scale from the 12 fret. This would be an octave higher.
E Minor Pentatonic Blues Scale Closed
|-------------------------------------12-15----|
|-------------------------------12-15----------|
|----------------------12-14-15----------------|
|----------------12-14-------------------------|
|-------12-14-15-------------------------------|
|-12-15----------------------------------------|
Give it a try and see what kind of blues licks you can come up with.
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