8 votes

This mile-long wooden xylophone plays Bach's Cantata 147 when you roll a ball down it

1 comment

  1. joplin
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    That's really cool! My wife and I were thinking of getting a marimba and we discovered that there exist such a thing as outdoor marimbas. Also wall marimbas and marimba-playing robots.

    That's really cool! My wife and I were thinking of getting a marimba and we discovered that there exist such a thing as outdoor marimbas. Also wall marimbas and marimba-playing robots.

    2 votes