It takes balls to play this instrument...

This is almost unbelievable. See how all of the balls wind up in
the catcher cones.

This incredible machine was built as a collaborative effort between
the Robert M. Trammell Music Conservatory and the Sharon Wick
School of Engineering at the University of Iowa.

Amazingly, 97% of the machines components came from John Deere
Industries and Irrigation Equipment of Bancroft, Iowa...

Yes, farm equipment!

It took the team a combined 13,029 hours of set-up, alignment,
calibration, and tuning before filming this video, but as you can
see it was well worth the effort.

It is now on display in the Matthew Gerhard Alumni Hall at the
University and is already slated to be donated to the Smithsonian....

...or it's CGI and you can find it at animusic.com. :)