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Amazon.com: Keith McMillen Instruments K-Board Pro 4 | 48-Key MPE Expressive USB MIDI Controller with Polyphonic Aftertouch, Per-Note Adjustable Pitch Bend, and Per-Note Modulation/Slide : Musical Instruments
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Types of MIDI Devices — MIDI Devices|Music Tech Alliance | by Jeffrey Wang/王俊元 | Music Tech Alliance | Medium
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The MIDI Standard: Introduction to MIDI and Computer Music: Center for Electronic and Computer Music: Jacobs School of Music
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