John Mayer is a bona-fide tone king. This takes hard work and taste, with the blues-rock pop megastar taking an epicurean approach to gear, his gourmand’s palate uniquely attuned to the most ...

Sometimes, guitar tone hacks come from some unlikely places. For esteemed Ocean City guitarist and blues-rock heavyweight Walter Trout, he’s found that the heavier the tone he dials into his tube amp, ...