Marc Seal Guitar Tutorial 4 (Part 3 of 4): Gives you a sound advice of getting a nice tone with a pitch shifter effect. Also, teaches you how to do natural harmonics on any fret.
Eric Madis, JamPlay.com instructor and acclaimed blues musician, presents a free blues guitar lesson in which he teaches a minor key progression. Check out this link for more lessons : www.jamplay.com
A lesson on how to use the 12 Bar Blues Progression to create a good blues groove. Split into two parts. Tune into the second half for more. The teacher is Keith Wyatt
Part two of the lesson on Blues Phrasing. View this after you have viewed part 1. In this video, not only does it teach you how to play, it teaches you how to cut loose!