Irregular Incurve: The Robot Ribcage Keytar Is Odd But BeautifulS

Irregular Incurve started as an attempt to design a new acoustic instrument puny humans couldn't wrap their hands or mouths around—the result is a robot dinosaur rib cage that plays music. It's mezmerizing:

It uses a MIDI input device and plays twelve different tones, though it can be tuned so it can play different kinds of music. [Irregular Incurve at ITP]