Ritual Device for Fungal Humus Culture / Dispositivo ritual para el cultivo de humus fúngico
An art installation for mushroom biosonification and interactive audience soundscapes. Authorship, concept, and art direction: Santiago Morilla (2025)
Developed through the international cooperation project Tilling Roots and Seeds XXI, in collaboration with Ars Electronica (AT), Kilowatt (IT), the University of Barcelona (ES), and Quo Artis (ES) as main partner. Co-funded by the Creative Europe Programme of the European Union.
Physical computing and software development: Joaku de Sotavento and Fernando Fernández
Music, field recordings, and soundscape design: Santiago Morilla and Joaku de Sotavento (vocals: Coco Moya)
Hardware design and construction: Santiago Morilla, Olly Needham, and Nicholas Burridge
Mushroom suppliers: Fungi Natur (Spain) & @waldviertler_pilzgarten (Austria)
Artwork exhibited individually for the first time at PANIC: Complex. Absurd. Ominous. Main THEME exhibition curated by Manuela Naveau, at ARS ELECTRONICA 2025 (September 3–7, 2025)

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The core of Ritual Device for Fungal Humus Culture lies in understanding what interaction with and care for healthy soil means for the future of agri-food systems from an anthropo-decentered perspective. This also implies understanding how fungi emerge as ideal indicators of biodiversity, pointing to the necessary existence of interspecies collaboration within metabolic processes.
The artwork is presented to the public as a device-garden designed for the cultivation and biosonification of saprophytic fungi (Lentinula edodes / Shiitake). The device functions as an interactive installation where a soundscape interprets the fruiting of the fungal culture. Simultaneously, the audience's performative actions—detected through their presence and contact with the surrounding soil—are musically integrated in real time. The work proposes that art can help reimagine the future through synaptic and performative empathy, encouraging us to see and listen to the soil as an extension of our own bodies, as part of a shared ecosystem.
It is worth remembering that, etymologically, the word "human" traces back to the Latin humus (earth, soil). What the work posits is that not harming the substrate means not destroying what makes us human. Thus, through a sound device that functions as a greenhouse and biotechnological mediator, the piece transforms the metabolic bioelectric fluctuations of the fungi into a generative soundscape, poetically and critically integrating the viewer's presence within the exhibition space.
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El núcleo de Ritual Device for Fungal Humus Culture reside en comprender qué significa la interacción y el cuidado de un suelo sano para el futuro de los sistemas agroalimentarios desde una perspectiva antropodescentrada. Esto implica también entender cómo los hongos emergen como indicadores perfectos de la biodiversidad, al señalar la necesaria existencia de la colaboración interespecies en los procesos metabólicos.
La obra se presenta al público como un dispositivo-huerto diseñado para el cultivo y la biosonificación de hongos saprófitos (Lentinula edodes / Shiitake). El dispositivo funciona como una instalación interactiva donde un paisaje sonoro interpreta la floración del cultivo fúngico. Simultáneamente, las acciones performativas del público —detectadas a través de su presencia y contacto con el suelo circundante— se integran musicalmente en tiempo real. La obra propone que el arte puede ayudar a reimaginar el futuro a través de la empatía sináptica y performativa, animándonos a ver y escuchar el suelo como una extensión de nuestros propios cuerpos, como parte de un ecosistema compartido.
Recordemos que, etimológicamente, la palabra «humano» remite al latín humus (tierra, suelo). Lo que plantea la obra es que no agredir el sustrato es no acabar con lo que nos hace humanos. Por eso, a través de un dispositivo sonoro que funciona como invernadero y mediador biotecnológico, la pieza convierte la fluctuación bioeléctrica metabólica de los hongos en un paisaje sonoro generativo, integrando así, poética y críticamente, la presencia del espectador en el espacio expositivo.
︎ 2025 (v.1.0) © Santiago Morilla


︎ Installation views of "Ritual Device for Fungal Humus Culture" at the Ars Electronica Festival 2025, Theme Exhibition, POSTCITY, Linz (Austria)
︎ Some detailed views of "Ritual Device for Fungal Humus Culture" at the Ars Electronica Festival 2025, Theme Exhibition, POSTCITY, Linz (Austria)
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Installation shots of the MYCOTUNE v.1.0 units (the two synthesizers hooked up to the garden device and soil contact mics)
The MYCOTUNE v.1.0 biosonification units are two transparent synthesizers (Speaker #1 & #2) equipped with open-source Biodata boards (based on Arduino ESP-32) and Bela.io low-latency audio cards (programmed in SuperCollider), featuring 8 knobs per unit for real-time control of master volumes, response sensitivities, audio granular durations, and filters. Using electrodes connected to the fungi, galvanic variation/fungal electrical activity is measured and translated into MIDI data (C pentatonic scale) that triggers and modulates a library of vocal recordings by Coco Moya, inspired by Baka polyphonic chants.
Las unidades de biosonificación MYCOTUNE v.1.0 son dos sintetizadores transparentes (Speaker #1 & #2) equipadas con placas de código abierto Biodata (basadas en Arduino ESP-32) y tarjetas de audio de baja latencia Bela.io (programadas en SuperCollider), con 8 perillas por unidad que permiten controlar volúmenes maestros, sensibilidades de respuesta, duraciones granulares de audio y filtros en tiempo real. Mediante electrodos conectados a los hongos, se mide la variación galvánica/actividad eléctrica fúngica, traduciéndola en datos MIDI (escala pentatónica de Do) que activan y modulan un archivo de interpretaciones vocales grabadas por Coco Moya e inspiradas en los cantos polifónicos Baka.
The MYCOTUNE v.1.0 biosonification units are two transparent synthesizers (Speaker #1 & #2) equipped with open-source Biodata boards (based on Arduino ESP-32) and Bela.io low-latency audio cards (programmed in SuperCollider), featuring 8 knobs per unit for real-time control of master volumes, response sensitivities, audio granular durations, and filters. Using electrodes connected to the fungi, galvanic variation/fungal electrical activity is measured and translated into MIDI data (C pentatonic scale) that triggers and modulates a library of vocal recordings by Coco Moya, inspired by Baka polyphonic chants.
Las unidades de biosonificación MYCOTUNE v.1.0 son dos sintetizadores transparentes (Speaker #1 & #2) equipadas con placas de código abierto Biodata (basadas en Arduino ESP-32) y tarjetas de audio de baja latencia Bela.io (programadas en SuperCollider), con 8 perillas por unidad que permiten controlar volúmenes maestros, sensibilidades de respuesta, duraciones granulares de audio y filtros en tiempo real. Mediante electrodos conectados a los hongos, se mide la variación galvánica/actividad eléctrica fúngica, traduciéndola en datos MIDI (escala pentatónica de Do) que activan y modulan un archivo de interpretaciones vocales grabadas por Coco Moya e inspiradas en los cantos polifónicos Baka.
︎ Backstage views, dances, and live guided biosonification sessions of the 'Ritual Device for Fungal Humus Culture' during the Ars Electronica Festival 2025, Theme Exhibition, POSTCITY, Linz (Austria)
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︎ 'Ritual Device for Fungal Humus Culture' at Ars Electronica Festival 2025, Theme Exhibition, POSTCITY, Linz (Austria)

︎ 'Ritual Device for Fungal Humus Culture' at Ars Electronica Festival 2025, Theme Exhibition, POSTCITY, Linz (Austria)