The story behind the fuzz pedal’s creation is well known to most guitarists, but it goes a little something like this. The effect was born on July 12, 1960, while country superstar Marty Robbins was ...

Most of us are aware of harmonic nodes. You get the strongest one at the 12th fret, which is exactly halfway along the string length. There’s one at the 5th, which is a quarter length and another at ...