(Guitar Educational). The Ultimate-Guitar Scale Decoder is aimed at guitarists who are mystified by scales and modes. It displays only the most essential scales in practical and useful fingerings, along with an easy-to-understand primer on how to create scales. Each of the scales is accompanied by a musical example. Featured topics include: reading tab, the chromatic scale, half steps and whole steps, constructing the major scale, playing in position, modes, parent-scale approach, the parallel method, step construction, constructing minor scales, constructing pentatonic scales, constructing blues scales, and much more!