Volker Bertelmann (born 11 October 1966) is a German composer, pianist and former rapper who mainly performs and records under the name Hauschka. He is best known for his compositions for prepared piano. He won an Academy Award and a British Academy Film Award for his work on All Quiet on the Western Front (2022). Description above from the Wikipedia article Volker Bertelmann, licensed under CC-BY-SA, full list of contributors on Wikipedia.