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Meet ACPAD, the First Wireless MIDI Controller for Acoustic Guitar — Video | Guitar World
EastWest MIDI Guitar Series Volume 4: Guitar and Bass | Sweetwater
World's First Wireless MIDI Controller for Acoustic Guitar - ACPAD - YouTube
ACPAD wireless MIDI controller for your acoustic guitar
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Guitar Wing, A Bluetooth Wireless MIDI Controller That Mounts to a Guitar
A Brilliantly Conceived Stick-On Wireless MIDI Controller Made Specifically for Acoustic Guitars