Musique Instrument Bouclier pour Arduino - SPARKFUN ELECTRONICS | eBay
GitHub - nicholasbester/arduino-keyboard-instrument: A Keyboard instrument made using pushbuttons and a piezo speaker on an Arduino http://www.nickbester.com
The Synthfonio is a guitar-shaped MIDI instrument | Arduino Blog
The Airdrum plays music with Arduino and six sensor PCBs | Arduino Blog