Acoustic Blues Guitar Lesson by Jody Worrell will teach you how to play a blues guitar riff for acoustic guitar. You can find more free acoustic guitar lessons at http://guitarcompass.com/free-lessons/acoustic/
Watch all of our acoustic guitar lessons in order and in one playlist https://www.youtube.com/playlist?list=PLk3MfuGfPCyOGVk0ZDoy7OhCgAVQ24ppJ