A book about playing the 12 bar blues for a wide range of abilities. The 12 bar blues is for most people a readily understood form of pop and jazz, and so is a very easy learning tool. Chord sequences from the simplest level ('3-chord trick', including one in E, one in A, and one in C) and reaches a very complicated level fairly quickly. Covers a wide range of keys despite the title, and explains basic musical terminology in simple language, including how to work out keys not already used in the text. Learning through play.