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Russell Haswell and Florian Hecker have both a long history with Mego/Editions Mego. Individual releases have peppered the Mego catalogue since Haswell’s Live Salvage 1997->2000 cd release (MEGO 012) in 2001 and the debut Hecker release IT ISO161975 (MEGO 014) in 1998.

The individual exploration of sonic phenomena by these two practitioners has resulted in both being highly regarded for their uncompromising approach to sound as matter. Russell Haswell and Florian Hecker came together as a collaborative duo with the now-legendary record Blackest Ever Black, somewhat inexplicably, on the classical imprint of Warner Brothers.

In 2025, Hecker and Haswell return with a new album featuring the two-channel edit produced initially for their UPIC DIFFUSION SESSION #23, performed as a live diffusion across 8-channels at the X100 Festival, Berlin, 2023, celebrating the 100th anniversary of Xenakis' birth.

This record furthers the duo's exploration of Xenakis's UPIC system as the sole instrument. The UPIC is a computer music system that generates sound from visual input. The original intention of the system developed by Xenakis was to make a utopian tool for producing new sounds accessible to all, independent of formal training. One can locate footage of Xenakis and a group of children making drawings for the system in the 70's.

The duo set off experimenting with a diverse array of hand-drawn images to feed the UPIC system including news photographs of disasters and atrocities, "food porn" through to depictions of the natural world and microscopic images of molecular structures (including 'the blackest ever black'). The resulting eccentric audio from these images is claimed by the artists to heighten synaesthesia and is as mysterious as it is baffling.

Throughout UPIC DIFFUSION SESSION #23 frequency clusters move and morph in the most unusual manner, shifting and stretching into shapes that hint at some kind of magical process. What starts out deceptively simple soon unravels into a large array of sonic mayhem. Symbolic jet planes are shredded by a swarm of insects, a metal bowl howls into the void, a tiny tin toy crawls into a thicket with the resolute aura of a black hole. A burning geyser of laser forms liquid shrapnel. This is sound as an alchemical process, a constant chimerical flow into the netherworld and is the net result of the decades long radical investigations by the two artists involved. UPIC DIFFUSION SESSION #23 is a direct, rich and rewarding listen for those willing to invest time into the outer limits.

UPIC Diffusion Session #23

UPIC Diffusion Session #23 (Excerpt)

Haswell & Hecker 'UPIC Diffusion Session #23' (EMEGO316) - Excerpt

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Haswell & Hecker 'UPIC Diffusion Session #23' (EMEGO316) - Excerpt

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