Julian Day is an artist and composer based in New York.

Day creates simple yet evocative works that combine his background in both music and contemporary art. Much of his work is site-specific and collaborative, using dispersed homogeneous sound to explore the acoustic, architectural and relational properties of such varied spaces as railway sheds, marketplaces, laneways, parks and galleries.

Day performs as An Infinity Room (AIR) and co-directs Super Critical Mass, a large-scale participatory project in public places. His work has featured at the Bang On A Can Marathon, MATA Festival, Make Music New York, MASS MoCA, Whitechapel Gallery, Cafe Oto, Spitalfields Music Festival, Huddersfield Contemporary Music Festival, Sydney Opera House, Queensland Art Gallery of Modern Art and Museum of Contemporary Art Australia among other spaces. He has worked with such musicians as Lisa Moore, TILT Brass, Third Angle Ensemble, Ensemble Offspring, Synergy Percussion, Australian String Quartet, The Song Company, Decibel, Zubin Kanga and Orchestra Victoria. He has undertaken lessons and masterclasses with Alvin Lucier, Louis Andriessen, Michael Gordon and Marina Rosenfeld among others.

Day is also a writer, broadcaster and academic. He has presented programs for BBC Radio 3 and hosted long-standing New Music Up Late on ABC Classic FM. His interviewees include Steve Reich, Blixa Bargeld, John Cale, Laurie Anderson, Pauline Oliveros and Elliott Carter. He has presented papers on sound and art at Harvard University, UCLA and Goldsmiths, University of London and published with The MIT Press and Cambridge University Press.

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