The Bentacles, a circuit bent Megcos Musical Octopus. Video demo below:

Meet the Bentacles, a circuit bent Megcos Musical octopus. It has an external audio input which triggers its sounds. At :21, it is being triggered by my circuit bent Yamaha DD-5 (now known as the ADHDD-5) A microcontroller allows for random triggering of the 8 buttons that play the notes of a major scale.