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Encyclopedia > Wah wah pedal

Wah-wah is an imitative word for the sound of bending or altering musical notes to improve expressiveness, sounding much like a human voice saying the syllable wah for each note.


Wah-wah in trumpet and trombone playing

Although perhaps best known from the electric guitar's wah-wah pedal, the sound is much older, having been significantly developed by trumpet and trombone players using mutes in the early days of jazz.

Joe "King" Oliver recorded "Wawawa" in the 20s. Bubber Miley, Cootie Williams, trumpeters, and Tricky Sam Nanton, trombonist, of the Duke Ellington Orchestra pioneered in using plunger mutes ("plumber's helper") to create wah-wah sounds. The effect was used in the 30s on "Sugar Blues" by commercial Dixieland trumpter Clyde McCoy, who built a long career around the sound. "The Fat Man", the first hit by Fats Domino features vocal wah-wah. Another New Orleans singer, Chuck Carbo frequently performs vocal wah-wah.

Wah-wah in guitar playing

The electronic version, which sweeps the peak response of a filter up and down in frequency to create the sound, was first heard in 1945 on a pedal steel guitar created by Leo Fender and in the early 60s on Vox amplifiers (under the name Wah-Wah) and Thomas electronic organs (as the Crybaby). None of these innovators patented the effect. The variation in the peak response frequency of the filter resembles the change in formant frequency in the human vocal tract when saying the word "wah", making the wah-wah pedal a crude form of speech synthesizer.

Jimi Hendrix did much to popularize the wah-wah in the late 60s using his own modified effects pedal, as heard on his "Machine Gun" and the Electric Ladyland album (the track "Voodoo Child (Slight Return)" in particular). There is still a commercial wah-wah pedal named after him.

Eric Clapton first played wah-wah with Cream on "Tales of Brave Ulysses" on the Disraeli Gears album and used it for both background riffs and an extended solo on "White Room". (Clapton sometimes used a wah-wah named for Clyde McCoy, of all people).

George Harrison recorded his own song "Wah-Wah" on his solo album, All Things Must Pass, on which Clapton also appeared.

Frank Zappa was another master in using wah-wah, notably in his solos on Roxy & Elsewhere and studio albums such as Overnite Sensation.

Melvin "Wah-Wah Watson" Ragin played wah-wah on some notable singles by The Temptations in the early 70s, as well as with Martha Reeves and the Pointer Sisters. Hendrix proclaimed blues guitarist Earl Hooker the "master of the wah-wah".

Other notable guitarists using wah-wah include Steve Hillage, Larry Coryell, Anson Funderburgh, and Carlos Santana. A great many guitarists use it from time to time.

Wah-wah in electronic music

In electronic music, wah-wah effects are easy to produce by applying a modulation envelope to the voltage-controlled filter in an analog synthesizer. Digital synthesizers can also simulate this effect.

Wah-wah effects can also be achieved by using a vocoder to modulate an instrument sound, and speaking "wah-wah" into the modulation control input of the vocoder. The vocoder then impresses the formants of the spoken sound into the musical sound.

See also: vibrato, fuzz


You made me such a big star
Being there at the right time
Cheaper than a dime
Wah-wah, you've given me your wah-wah, wah-wah
--George Harrison, "Wah-Wah"

External links

  • Discussion, with sound samples, of guitar wah-wah technique (http://www.betterguitar.com/Equipment/Effects/WahTechniques/WahTechniques.html)
  • Wah Wah World (http://members.chello.nl/~t.heertjes/Wah%20wah.html)
  • The Technology of Wah Pedals (http://www.geofex.com/Article_Folders/wahpedl/wahped.htm)
  • Human Voices and the Wah Pedal (http://www.geofex.com/Article_Folders/wahpedl/voicewah.htm)

  Results from FactBites:
The Wah-Wah | Line Out | The Stranger's Music Blog | The Stranger | Seattle's Only Newspaper (976 words)
The typical Wah uses a ferrite core inductor to create a resonant peak in the frequency of the signal, which can then be swept up and down by rocking the pedal back and forth.
He got that “Wah wah wah” sound, and the earth was never the same again.
George Harrison had a song called "Wah Wah" that was a nice tribute to the pedal.
Wah-wah pedal - Wikipedia, the free encyclopedia (966 words)
A Wah-wah pedal is a type of guitar effects pedal that alters the tone of the signal to create a distinctive effect intended to mimic the human voice.
There are two types of wah pedals: one that lets the player control the effect via a foot pedal, and one that adjusts the effect automatically according to the amplitude of the signal from the guitar (auto-wah, or envelope-followed filter).
Guitarists of the pedal's early decades most commonly used the wah-wah on an already distorted sound, as the effect of wah-wah on a distorted sound is far more vivid than that of distortion on the output of a wah-wah.
  More results at FactBites »



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