Empty set extends Shinichiro Ikeda’s ongoing dialogue with Runa Ikeda, exploring the concept of repetition—an eternal theme mirrored in the loops of life. Across five tracks, both artists created independently, later discovering surprising synchronicities within their work. Incorporating organic recordings such as breathing, heartbeats, and process-generated sounds, this project blurs the line between body and sound, presence and absence.

In February 2025, this project evolved into the joint exhibition “Empty set – Art and Sound Installation” at Mommsen35 in Berlin. Shinichiro Ikeda presented “Empty set – zero”, an immersive Dolby Atmos (7.1.4) installation integrated with Runa Ikeda’s visual environment, with Atmos mixing handled by Ikeda himself. This marks a bold intersection of sonic architecture and spatial art.
Photos by Musashi Shimamura