As member of Prism and Unknown Future collective, GEISTFREI actively contributes to the city's burgeoning underground movement. These collectives serve as bastions of creative freedom and artistic expression, uniting like-minded souls who thrive on the subversive rhythms of techno. In his sets and productions, he skillfully endeavors to captivate the listener by weaving a narrative through pulsating basslines harmoniously intertwined with ethereal atmospheric elements. His ability to craft music in this way consistently results in the creation of a one-of-a-kind atmosphere, drawing the audience into a sonic journey that resonates long after the music has ended.