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 : http://www.jamplay.com/ youtube7">http://www.jamplay.com/ youtube7 . JamPlayâ„¢ is the #1 source for video-based, online guitar lessons. If you are just getting started with learning to play guitar or are interested in improving your guitar skills, you have come to the right place. **Over 4,500 Guitar Lessons in Full HD** Beginner to advanced, heavy metal to country; we have the video guitar lessons you need to develop your playing. Our guitar lessons are filmed with multiple HD cameras and stream to any mobile device or computer. **Learn to Play Songs** Follow your dream and learn to play your favorite songs. Our song lessons are proven to help you learn songs fast, easy, and accurately. **Get Instant Access** Signup today and get instant access to all video lessons from all instructors! You will also enjoy live guitar lessons for up to 8 hours each day, and access to all teaching tools, libraries, and community features. http://www.jamplay.com/