With Handlebars

Most guitarists learn the fretboard in fragments: a shape here, a box there, a scale that only works when it starts on the sixth string. The fragments are fine. What takes years is the map that joins them. With Handlebars draws that map. Pick a chord or a scale and every tone of it lights up across the whole guitar neck at once, in the tuning you actually play — not a dictionary entry you look up and close, but a room you stay in until the shapes you half-know turn out to be the same handful of tones in different places. THE WHOLE NECK, ANY TUNING • 168 scales and 58 chord qualities, up to 24 frets • 23 tunings, left- or right-handed • Strict enharmonic spelling — a G# stays a G# and never slides into a lazy Ab, because the name is what explains the shape LENSES, NOT CLUTTER • Narrow the board to one position, one string, the octaves of a single note, or the guide tones that carry the…