Hauschka, whose real name is Volker Bertelmann, is a German pianist and composer known for his unique blend of classical, electronic, and experimental music. He is known for his unconventional approach to the piano, using prepared piano techniques such as placing objects on the strings or using drumsticks instead of hammers to create a variety of sounds and textures. His music has been featured in films, TV shows, and video games, and he has collaborated with numerous artists across various genres.