The wah-wah pedal makes a guitar sound as though it's singing "wah, wah, wah." The effect was a staple of 1960s psychedelic rock: Jimi Hendrix bent reality with it in classics like "Voodoo Child ...

A version of this piece orginally appeared on The Week. Jimi Hendrix making his guitar "talk." Peter Tarnoff/Retna Ltd./Corbis The wah-wah pedal makes a guitar sound as though it's singing "wah, wah, ...

Musicians, it seems, have always wanted to alter the sounds of their instruments. Over the course of centuries, strings have been added to guitars for a fuller sound. The composition of those strings ...

A group of former Purdue University students is trying to patent and license the “Ghost Pedal,” which uses sensors to detect the position of a guitarist’s foot and simulate a physical wah pedal based ...

The Rush legend's gear brand expands its pedal lineup with a limited edition optical wah offering a wide range of expressive filtering sounds, available exclusively through Reverb When you purchase ...