Musicians simply must know their scales and he came up with a papercraft slide rule for major and minor scales ... the mask for the top layer and bar chart and directions for the bottom layer.

As guitarists, we’re always looking for new sounds and inspiration, and love to explore new techniques. But if you still find ...

Harmonic minors use the relative major key signature and raise the seventh note of the scale. For example, in A harmonic minor there are no sharps or flats other than the raised seventh of G#.