Smooth Minor Jazz Blues - Guitar Masterclass

This is a guitar masterclass about a minor blues in the key of Gm. Here are the chords in this traditional 12bar form :

G-7 / G-7 / G-7 / G7alt
C-7 / C-7 / G-7 / G-7
Eb9#11 / D7#9 / G-7 / D7#9

The modes used are :

Gm blues scale
G aeolian, Galt,G harmonic minor V
C dorian
Eb lydianb7
Dalt, D harmonic minor V

if you are not familiar to modes please check these tutorials :