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Amazon.com: M-Audio Oxygen Pro 49 – 49 Key USB MIDI Keyboard Controller With Beat Pads, MIDI assignable Knobs, Buttons & Faders and Software Suite Included : Everything Else
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Amazon.com: Alesis VI49 - 49 Key USB MIDI Keyboard Controller with, 16 Drum Pads, 12 Assignable Knobs, 36 Buttons and 5-Pin MIDI Out, Production Software Included : Alesis: Musical Instruments
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