Holly Herndon & Mat Dryhurst

“The Call”
Exhibition | 2024-25
Serpentine Gallery | London, UK
In October 2024, Holly Herndon and Mat Dryhurst opened The Call, an immersive and interactive spatial audio installation which used choral AI models to activate the chapel-like setting of London’s Serpentine North. In developing The Call, the artists created a songbook of hymns and musical exercises specially designed to create AI training data. They gathered the datasets from fifteen professional and community choirs across the U.K., each singing from the songbook. The AI model thus came to be generated from their unique collective voices. The Call, in fact, reflected the key elements and phases of AI training through its organization into sections addressing computation, data creation, and model interaction. Elaborate visual constructions decorated with symbolic, metaphoric, and documentary/process images separately highlighted the artists’ songbook music, the choral interpretations, and the viewer-participants’ voices. The AI model, though initially built on the first two processes, internalized and harmonized every successive addition.
The songbook, recordings, and installation were multilayered in their aural, visual, historical, and geographical references, and were also suggestive of the ways present and future technologies might, like rituals of the past, create and preserve meaning. The AI model used to create the hymnal music in the songbook, for instance, was trained on the 18th century Sacred Harp Repertoire which made its way from the British Isles to New England and the American South.
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