Terje Isungset, a percussionist who crafts his own instruments from Norwegian natural elements such as arctic birch, granite, slate and sheep bells, plays a horn he made from pure Norwegian ice, some of which is 600 years old. Read more on Isungset here.
Andy Rain / EPA
Norwegian composer Terje Isungset plays his ice horn instrument in London, on January 6, 2011.
Listen to a song from his latest recording called, Winter Songs (2010).