Crybaby: The Pedal That Rocks the World Guard House Pictures Crybaby: The Pedal that Rocks the World tells the story of the most expressive pedal guitarists step on—the wah-wah. The

Crybaby: The Pedal That Rocks the World
Guard House Pictures

Crybaby: The Pedal that Rocks the World tells the story of the most expressive pedal guitarists step on—the wah-wah. The tale starts in 1966 as Brad Plunkett—the wah-wah’s inventor—describes how his bosses at Thomas Organ asked him to design something new so the Vox Super Beatle wouldn’t require a Mid Range Boost switch—a feature that cost Vox four dollars per unit. Plunkett applied the MRB circuit to a potentiometer and had a resident Vox guitarist test the device playing some chords. To their amazement, this sweepable EQ created vocal-like tones and the wah was born.

In standard, talking-head fashion, famous players—Eddie Van Halen, Slash, Jerry Cantrell, Buddy Guy, Wah Wah Watson, Dweezil Zappa, and more—reflect on their experiences discovering, experimenting, and expressing emotions with the foot-controlled effects device.

One highlight is when Eddie Kramer—recording engineer for Hendrix and Zeppelin—retells the story of Hendrix’s iconic wah-wah song, “Voodoo Chile.” Kramer remembers waiting for Hendrix at the Record Plant until 1 a.m., when he briskly entered the studio with friends Steve Winwood and Jack Casady, and cut the entire song in one take—including his guitar parts and vocals. Another cool moment is when Jim Dunlop and Bob Bradshaw talk about improving the Crybaby after Dunlop bought the design from Thomas Organ in 1982. Some of the notable changes included adding a 100-percent true-bypass circuit, improving the input jack for durability, and adding an AC adapter and onboard frequency controls.

Currently, the documentary is only available online at or But there are plans to offer a DVD release in the near future, and hopefully in the process the film will be fattened up with more gearhead-goodness from the guitar gods and engineers behind the various iterations of the wah. There has to be a mountain of footage of interest to guitarists and tweakers, and the film could stand more in-depth explanations about the evolution of the pedal’s circuitry, the various capacitors and inductors used, and personal mods that change the pedal’s tone and sound.

If you have a wah in your current signal chain or your ears perk up when you hear the fast-paced wah-chk-wah theme from Shaft, the opening notes that eerily ring out during Zeppelin’s “No Quarter,” or the dynamic squealing that’s the hallmark of Dimebag Darrell’s Pantera solos, this 55-minute movie is worth watching. But fair warning: After viewing Crybaby, you may experience an involuntary and irresistible need to play your wah pedal.

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We’re almost finished with the aging process on our project guitar. Let’s work on the fretboard, nut, and truss rod cover, and prepare the headstock for the last hurrah.

Hello and welcome back to Mod Garage. This month we’ll continue with our relic’ing project, taking a closer look at the front side of the neck and treating the fretboard and the headstock. We’ll work on the front side of the headstock in the next part, but first we must prepare it.

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Diatonic sequences are powerful tools. Here’s how to use them wisely.



• Understand how to map out the neck in seven positions.
• Learn to combine legato and picking to create long phrases.
• Develop a smooth attack—even at high speeds.

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Knowing how to function in different keys is crucial to improvising in any context. One path to fretboard mastery is learning how to move through positions across the neck. Even something as simple as a three-note-per-string major scale can offer loads of options when it’s time to step up and rip. I’m going to outline seven technical sequences, each one focusing on a position of a diatonic major scale. This should provide a fun workout for the fingers and hopefully inspire a few licks of your own.
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