It is a scale diagram of guitar which a pro teaches. There are 61 kinds of diagrams. If all are memorized, all the scales will come to burst throughout a fingerboard. Major Scale - 14 Position. Pentatonic Scale - 5 Position. Harmonic Minor Scale - 7 Position and more. Melodic Minor Scale - 7 Position. Diminish Scale. Combination Of Diminish Scale. Whole Tone Scale.