Ever seen a marble play music via bouncing through a xylophone-and-banana Rube Goldberg machine?

This video is so cool! It features a marble bouncing through a giant, elaborate musical Rube Goldberg machine made out of colorful xylophone keys, bananas, and coconuts, playing the song 'I Wanna Be Like You' from Disney's The Jungle Book. 
If I didn't know better, I'd think this 'marble music' was real, and that someone had spent an incomprehensible number of hours building it. — Read the rest
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