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 ...

From Jimi Hendrix to Zakk Wylde and Jerry Cantrell ... Unlike other signature wah pedals, Clapton’s model doesn’t feature any additional control dials. Instead, it focuses on mastering ...