A glockenspiel and a robot for Christmas

This glockenspiel with Raspberry Pi will play your Christmas carol requests if you tweet them: @NUSTEMxmas

What’s the difference between a glockenspiel and a xylophone? Here’s a robotic explanation:

γ‚„γ£γ±γ‚Š a human playing a glockenspiel is better. And this song makes me think of Christmas too.