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Amazon.com: TC Electronic CRESCENDO AUTO SWELL Responsive Crescendo Pedal with 2-Knob Interface for Haunting Guitar Line Manipulation : Musical Instruments
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TC Electronic Crescendo: Tips, Tricks and Strange Settings For an Auto Swell (Boss Slow Gear) - YouTube
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Amazon.com: TC Electronic CRESCENDO AUTO SWELL Responsive Crescendo Pedal with 2-Knob Interface for Haunting Guitar Line Manipulation : Musical Instruments
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