Used Electro-Harmonix Intelligent Harmony Machine Harmony and Pitch Shifter Pedal
Electro-Harmonix Pitchfork Pitch Shifter Effects Pedal | The Music Zoo
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Guitar Pedal X - GPX Blog - Electro-Harmonix's Intelligent Harmony Machine delivers a Neater and Smarter Harmonizer with Classic Pitchfork style Pitch- Shifting onboard too
Electro Harmonix Pitch Fork Pitch Shifter – Thomann United States
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