Quantity   Component name
1 × PS2 Keyboard Harry potter keyboard, look at that F93/4 function key !
1 × PS2 mini din female connector I recycled from a cheap usb to ps2 cable.
1 × Arduino Nano
1 × Dreamblaster S1 synth module from http://www.serdashop.com/
1 × S1 Arduino Nano Shield http://www.serdashop.com/ArduinoNanoSynthShield
1 × 9 Volt Battery