You should also read:
Blues Etudes
Blues Etudes:Hexatonic Blues Exercise 1
Bebop Etudes
Bebop Etudes:Bebop Etude 1
Altissimo Etudes
Altissimo Etudes:Altissimo Focus Etudes - Part 1: G-3 (932.33 Hertz)
Chromatic Etudes
Coming soon
Blues Etudes:Hexatonic Blues Exercise 1
Bebop Etudes:Bebop Etude 1
Altissimo Etudes:Altissimo Focus Etudes - Part 1: G-3 (932.33 Hertz)
Coming soon