He explains how his piano cycle Catharsis, particularly the pieces Fear and Growing Silence, express a journey from turmoil to serenity, drawing from his experiences as a monk. Oelbrandt delves into the spiritual influences in his music, notably the Rules of Benedict, and how these elements are transformed into emotional, evocative soundscapes. His creative process is both introspective and meditative, aiming to capture the essence of inner conflict and resolution.