Karel Holas is a distinguished sound designer whose work has left a significant mark on the world of physical media. With a keen ear for detail and a passion for storytelling, Holas has crafted immersive audio landscapes for films that resonate with collectors. His most notable project, *Year of the Devil* (2002), is celebrated not only for its gripping narrative but also for its innovative sound design, which enhances the film's surreal atmosphere. This title has become a sought-after gem for collectors who appreciate its unique blend of drama and sound artistry. In recent years, his work on *Kandráčovci & Čechomor* (2022) has further solidified his reputation. This documentary showcases the vibrant sounds of Czech folk music, making it a must-have for enthusiasts of cultural cinema. Collectors value Holas's ability to elevate the auditory experience of films, and his contributions continue to be recognized in the home video market, ensuring that his releases remain highly coveted among avid physical media aficionados.