[Rachad]’s automatic xylophone might be just the ticket. It uses homemade solenoids to play tunes under computer control. Think of it as a player piano but with electromagnetic strikers instead ...

Miller] applied the standard in his decidedly analog self-playing robotic xylophone. Framed inside a fetching Red Oak enclosure, the 25-key instrument uses individual solenoids for each key ...

Xylophones can be played solo ... The instrument has been used with a contact microphone in a number of Electronic Music pieces including China Music by Hans Werner Henze." ...