GuitarJamz Blues Guitar: Select from numerous Blues DVD courses. Easily master the 12 bar blues rhythm in an afternoon.Use the blues turnaround technique to sit inwith even the most seasoned bluesmen once you have this cool trick in your back pocket. Play wicked blues licks and smokin riffs. Add them to your personal library.You also have the option of a monthly subscription to GuitarJamz that gives you access to over 900 video guitar lessons online. Try before you buy with a free 3 day trial access.GuitarJamz by Marty Schwartz represents a huge selection of easy to learn guitar lessons for both acoustic and electric guitar, including folk, rock, blues, country and more.Marty Schwartz is a full time guitar teacher who started out playing in local gigs with a top San Diego band, to playing nationally touring gigs, to finding his true calling of delivering one-on-one guitar lessons. GuitarJamz Blues DVD’s come with an impressive “no questions asked” return policy.