1. Circle of Fifths Hardcopy Book: "The Musical Circle of Fifths from Pythagoras to Present Day". The Circle of Fifths book describes a simple, elegant and time-honored method to teach you how to create and remember all 12 major and minor scales of music. The book also describes the History , concept and numerous uses of the Circle of Fifths as it relates to music.
Binding on book may differ due to supplier
2. Colored Circle of Fifths Study Aid, in a clear plastic protective cover, is included. This study aid can be placed close to your instrument or books & used as a quick reference aid for learning & remembering all 12 major and minor scales