Julian Goldberger is a musician and artist based in Los Angeles, recording and performing under the name Eulipion Corps.

We reached out to him asking a few questions about the work he did for our Art & Science project, Flow

Anja Kreysing is a musician and researcher based in Münster, Germany. Her work moves between experimental music, sound art, and acoustic ecology, with a particular interest in how constructed and natural environments shape each other through sound.

For Flow, she worked on Segment 19 of the River Lech — a channelised, heavily regulated stretch near Sheuring, where dams and reservoirs for hydropower production have left the river, in the scientists’ words, “widely lacking natural geomorphic dynamics.” There are no restoration plans for this segment.

In today’s episode we’re speaking with Salma Ahmad Caller, a UK-based multidisciplinary artist with a strong connection to rivers — the Thames and the Nile.

Salma worked on Segment 15 of the river Lech — a stretch that, on the surface, has all the appearance of a secret, undisturbed place. You can hear the swans flying. A lone man unmooring his boat. And yet, just upstream, turbines roar. That contrast — between the dream of serenity and the reality of a world in crisis — became the heart of her composition.

Sergio's approach is rooted in his double life as developer and composer. He wrote computer vision code to extract the exact shape of the river from a satellite image, then simulated 300 stone trajectories along the current turning their coordinates into pitches, and those pitches into a long, quietly shifting composition for synthetic strings. The river didn't inspire the music. It generated it.

In today’s episode we’re going to Rovigo, in the Veneto region of northern Italy, to meet Francesco Ganassin — teacher, musician, and builder of instruments that think for themselves.

Francesco works on Segment 8 of the river Lech, a threshold zone where the mountains begin to yield to the plains, and where part of the river is diverted into a side channel for hydropower. It is a landscape of transitions — and transition is very much Francesco’s territory.

In today’s episode we’re speaking with Michelle Breslin, a composer, musician, and field recordist based in Toronto, Canada, who goes by the artist name Lostworldsounds.

Michelle worked on Segment 3 of the river Lech, near the village of Stockach in Austria — a stretch that was narrowed over time to serve the communities living alongside it, and has only recently been widened again to restore what the river needed. Michelle heard that story in the water itself.

When she first listened to her field recording, she noticed overtones rising from the river that sounded to her like voices from the distant past. That image became the heart of her composition. She gathered four singers, Adelaide and Madison Santos, Julia Maja, Scotch Camera, and Michelle herself, into a reverberant rooftop room, to recreate those ancient-sounding voices.

In today’s episode we’re speaking with Simon Holmes, a musician from Edinburgh, Scotland, who — for this occasion — teamed up with the Portobello Drone Choir.

Simon worked on Segment 24, the penultimate stretch of the river Lech before it quietly dissolves into the Danube. When he read that the project notes described this section as “the Lech’s quiet goodbye”, he knew exactly where he wanted to go.

In today’s episode we’re meeting Rachel Larsen-Jones, a sound artist and wildlife sound recordist from Wales, who worked on Segment 4 of the river Lech.

Segment 4 is one of the most ecologically significant stretches of the river — a place where, between 2016 and 2022, a major rewilding programme called LIFE Lech restored the river’s natural dynamics, shortening groynes, removing constructions, and giving the water back some of its freedom to meander. It is the kind of place that makes you want to hike there.