Sound designer Peter Hecker and Neumann&Müller project leader Wolfram Kolb picked up an OPUS Award for their outstanding work on a performance of Stockhausen´s Helicopter String Quartet by the world-renowned Stadler Quartet recently.

The staging of a recital by a string quartet doesn't often pose much of a problem. Unless it's by Karlheinz Stockhausen, and involves four helicopters.