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Amazon.com: M-Audio Oxygen Pro Mini – 32 Key USB Keyboard Controller with Beat Pads, MIDI assignable Knobs, Buttons & Faders and Software Suite Included : Everything Else
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Amazon.com: Xkey 25 USB MIDI keyboard controller - Apple-style ultra-thin aluminum frame, 25 full-size velocity-sensitive keys, polyphonic aftertouch, plug & play on iPad, iPhone, Mac, PC : Everything Else
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