This is one of the many 12 bar blues. This is the first one that my guitar teacher taught me. This can be played absolutely anywhere on the neck but I practice is in the A position. e:------------------------------------------------------------------| G:------------------------------------------------------------------| B:-------------------------------------5577----5577-----------------| D:----5577----5577----5577----5577---77------77--------5577----5577-| A:--77------77------77------77-----55------55--------77------77-----| E:55------55------55------55-----------------------55------55-------| e:---------------------------------| G:---------------------------------| B:----7788----5577-----------------| D:--88------77--------5577----5577-| A:77------55--------77------77-----| E:----------------55------55-------| Repeat as needed. This very famous and used in many blues songs. I love it!