The music therapist explains the track record on the blues, so the consumer understands the fundamentals – i.e. having a line A, repeating line A and a subsequent line B. Here's a video from us nerds at Group Nerd Conditioning (with instructions from Jim, guide trainer at our one-on-1 http://whyguitarisabestistrument97429.onesmablog.com/A-Simple-Key-For-Online-Music-Classes-Unveiled-44838164