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 ...

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 pedal for David Gilmour superfans to play around with his oscillating caw effect, but also for disciples of Michael Schenker’s cocked wah sound When you purchase through links on our site, we may ...

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, ...