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Heart and Seoul is a short-range radio broadcast of a one word 13-minute poem titled “Heart”. Participants meet a sonic mobile art lab at prearranged times in parks and public spaces around Seoul. They check-out radios and headphone and pick up instructions for what to do and how to do it. The short-range nature of the radio broadcast (500m radius), means that if the listener were to start at the sound source and walk in a straight line away from the source while listening to the radio, they would lose the radio signal in a short amount of time. I asked listeners to pay attention to the moment when they start to lose the signal and cross beyond an invisible boundary. (Essentially, to pay attention to the moment when they technically cannot pay attention because of a loss of signal). When the find the blurs liminal zone where hearing ends, I asked them to stop, rotate 90 degrees clock-wise or counter-clockwise and start walking the invisible circular boundary. In this way, each participant can also see other peoples sound boundaries, which should be the sa me shared boundary. 

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My intention was to make a collective, performative drawing of invisible sound spatial volumes by being attuned to the loss of the shared heart. The spatial volume (x,y,z) becomes apparent as the sound volume disappears. As the listener travels further from the sound sources, the signal is lost, but together they inscribe arcs with their bodies of their transient passage through varied ambiences. Volume is loudness related to strength, intensity, pressure, or power of the sound waves, and as the strength is lost the loss becomes more strongly felt.

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