There are albums that ask to be heard. And then there are albums that ask you to recalibrate your ears entirely. "Ecotonalities: No Other Home Than The In-Between" by Ludwig Berger belongs firmly to the second category. Released on -ous (OUS057) and conceived as the sonic centerpiece of Luxembourg’s pavilion at the Venice Architecture Biennale, this LP proposes something radical: that territory itself is an orchestra, and that microphones are not passive witnesses but instruments awaiting performance.

Berger’s premise is disarmingly simple. He “plays” microphones by placing them where forces - water pressure, electromagnetic flux, vibrating steel, insect tremors - can activate them. The result is less a documentary of Luxembourg than a re-composition of its thresholds. The guiding concept is the ecotone: a transitional zone where ecosystems overlap and friction becomes fertile. In Berger’s hands, this ecological term becomes aesthetic method. Each track is a study in in-betweenness - between water and circuitry, wind and wing, earth and signal.

Online responses to the project have often noted its refusal of spectacle. Despite the impressive technological arsenal - hydrophones, geophones, electromagnetic sensors, even a laser Doppler vibrometer - the record avoids gadget fetishism. One does not hear “equipment”; one hears relationships. The hum of a data center leans into the murmur of a forest edge. A wind turbine’s rotation converses with avian movement. The grid and the field are not opposites but uneasy roommates.

Berger is no stranger to this kind of attentive listening. With degrees spanning electroacoustic composition, musicology, art history and literature, and a tenure at ETH Zurich investigating the sonic dimensions of landscapes from Japanese gardens to alpine glaciers, he has cultivated a practice that treats sound as spatial knowledge. His earlier "Bodies of Water" trilogy already suggested that environments sing in registers we rarely acknowledge. "Ecotonalities" extends that inquiry into a country often stereotyped through finance and infrastructure. Here, Luxembourg hums, trembles, pulses.

Side A begins with “Between Water and Circuitry”, where the artificial lake of Remerschen and the Enovos floating solar plant seem to share a common breath. Liquid resonance meets electrical shimmer. There is something almost comic in realizing that photovoltaic panels and rippling water can duet so convincingly. “Between Pressure and Grid” folds hydroelectric force into industrial tension; the piece feels tectonic, as though pylons and dams were clearing their throats.

“Between Wind and Wing” is perhaps the most lyrical segment. Field recordings from a wind farm intertwine with airborne life. The track does not romanticize either element; turbines do not become pastoral flutes. Instead, Berger allows their mechanical rotation to coexist with biophonic flutter, producing a choreography of air in motion. The wind is neither innocent nor guilty. It simply moves.

Side B ventures deeper into abstraction. “Between Earth and Signal” introduces subterranean vibrations and electromagnetic murmurings - an invisible duet of geology and infrastructure. Here the record becomes almost philosophical: what is “natural” when the soil itself carries cables? “Between Data and Field”, the longest piece, brings us to the data centers of Bissen and Kayl. The internal drones and external ambiences create a strangely meditative state. Reviews have highlighted how these passages resist dystopian cliché; instead of presenting digital infrastructure as an alien invader, Berger frames it as another habitat - inhabited not by birds or mammals, but by servers and signals. It is difficult not to smile at the idea that a rack of processors might be granted the dignity of a solo.

The album’s title, "No Other Home Than The In-Between", resonates beyond ecology. It suggests that modern existence itself unfolds in transitional zones: between analog and digital, extraction and preservation, image and sound. As a counterpoint to architecture’s visual dominance - particularly apt within the context of the Biennale - Berger insists on listening as critique. If buildings are typically photographed, here they are overheard.

There is also a subtle humor in the ambition of assembling an “orchestra of microphones”. One imagines them tuning up before rehearsal: hydrophones clearing their watery throats, electromagnetic sensors humming scales. Yet the joke gives way to something tender. Berger’s long-duration recordings - returning to sites across July, September, and February - suggest patience rather than conquest. He does not extract sounds; he negotiates with them.

Mastered by Giuseppe Ielasi and presented with understated graphic design by Pierre Vanni, the LP format reinforces the project’s physicality. You flip the record, just as you might shift perspective within a landscape. The act becomes spatial.

Ultimately, "Ecotonalities" does not argue that harmony reigns between infrastructure and ecosystem. It reveals tension, abrasion, coexistence. It listens for the seams. In doing so, Berger offers a modest but profound proposition: that attention itself is a form of architecture. And that perhaps our only viable dwelling place - ecological, political, sonic - is the threshold.