The wah pedal has been responsible for some truly iconic moments in electric guitar; that 'talking' sound you've heard from players including Jimi Hendrix and Richie Sambora on classic songs. Listen ...

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 ...

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, ...

Ask a non-musician to name an effects box and they will probably say ‘wah-wah’; ask a musician to name a wah-wah and they’ll all say ‘Cry Baby’. Made famous initially by the great Jimi Hendrix in the ...