Ice Music: Chillingly Awesome

The harp looks like it has a wooden frame that is dipped in water and frozen, and it seems that everything needs to be amplified to actually be heard, but the concept is nifty.

This video has violins, guitars, and a flute, in addition to percussion instruments. A huge amount of effort and energy goes into putting these temporary and temperamental instruments together, but it does create quite a spectacle.