AGGREGATE Festival Berlin new music for pipe organs 2026

The 6th edition of the festival - led by the Berlin-based ensemble gamut inc - explores the fascinating possibilities and soundscapes that emerge when centuries-old mechanics meet computer control. Over two days, new artistic approaches will be presented at iconic Berlin venues – St Hedwig’s Cathedral and, for the first time, the Konzerthaus – offering a view into a soundscape in flux.

The first evening spans the arc from the beginnings of computer music to the hyperorgan of today — Together with Laurie Spiegel gamut inc recently begun working on adaptations of "The Expanding Universe" – a milestone of electronic music. In exchange, they are transcribing a selection of Spiegel‘s electronic works for the hyperorgan. gamut inc´s modular organ BLACK SQUARE can hardly wait to face the freshly MIDI-fied Konzerthaus organ.

Seth Horvitz, known as Rrose, presents a new series of works for automated pipe organ. His compositions use simple computer-assisted compositional processes to explore the boundaries of human perception and mechanical precision: temporal distortions and iterative processes coalesce into a sensual complexity.

Phillip Sollmann aka Efdemin & Konrad Sprenger adapt one of their pieces for the Konzerthaus organ—a work that unfolds layer by layer and culminates in a mesmerizing rush of sound.