Biographical text about Georg Gulyás, classical guitarist and senior professor in classical guitar at Karlstad University, and the German post-war composer Hans-Werner Henze. The text serves as a meta-text for a film recording produced by Ingesund School of Music, Karlstad University on June 11, 2024, by Hans-Åke Karlsson and Nisse Nilsson, where Gulyás performs "Mad Lady Macbeth" from Royal Wintermusic II by Hans-Werner Henze, published in volume 2 of Art, Culture and Entreåreneurship, with doi 10.15626/240106.