Performing Bach On A Giant Forest Xylophone Will Blow Your Mind

Jesu, Joy of Man’s Desiring is the most common English title of the 10th and last movement of the cantata Herz und Mund und Tat und Leben, BWV 147 (“Heart and Mouth and Deed and Life”), composed by Johann Sebastian Bach in 1716 and 1723.

Recently, deep in the woods of Kyushu, Japan, a team of filmmakers built a massive xylophone running down a long, steady slope. They took a ball, and rolled it down the instrument, creating a mind-blowing sound, even if it’s a phone commercial.

And here’s the making-of video, showing it just didn’t happen in the first try.