12 Bar Blues -Dominant 7 Chords- Same String Roots – String 6 and String 5 http://guitarninja.com/wp-content/uploads/01c-12-Bar-Blues-String-6-Chords.mp3 12 Bar Blues -Dominant 7 Chords- Same String Roots – String 6 http://guitarninja.com/wp-content/uploads/01d-12-Bar-Blues-String-5-Chords.mp3 12 Bar Blues -Dominant 7 Chords- Same String Roots – String 5