Just learn the above progression, get comfortable witfh playing it in the key 
of C, and you can transpose on the piano to any key you need to 
play it in. Some lessons arre also incorporated with examples, videos and exercises tto keep you informed with the 
many techniques inn playing guitar. Generally, they begin with some easy 4 note bblues solo,
nevertheless they move on to more advanced issues as the 
videos move forward.