Volker Bertelmann is an early bird. During that blue hour, when all is still and quiet, the German composer-pianist – whose stage name is Hauschka – writes simple melodies. But the real magic ...

The last time Volker Bertelmann stopped by NPR to perform as Hauschka, back in 2010, he dumped handfuls of Ping-Pong balls and anything else he could think of over the strings of our in-house ...