HELLFIRE CIRCLE OF 5TH'S STANDARD EDITION Great little gift for guitarists of all ages and experience. - Circle of Fifths Wheel (Size 4" diameter)- Desk Stand- Chord Chart- Note Mapping Chart- Beginners Guide Booklet Circle of 5ths WheelHelpful in composing and harmonising melodies, building chords and modulating to different keys.Have you ever wondered what other chords instantly go with the chord you are playing - wonder no more. Chord Chart Shows how to play all the chords on the wheel. Note Mapping ChartIdentifies every note on the guitar and lists a few of the scales to get you started.