https://news.artnet.com/art-world/making-art-from-mundane-materials-900188
https://www.sculpture-center.org/exhibitions/
https://www.tate.org.uk/whats-on/tate-britain/exhibition/susan-philipsz-war-damaged-musical-instruments/philipsz-introduction
Sound is materially invisible but very visceral and emotive. It can define a space at the same time as it triggers a memory.
-Susan Philipsz
https://www.theguardian.com/artanddesign/2017/oct/22/susan-philipsz-a-single-voice-baltic-baltic-gateshead
http://ovors.com/
http://www.ooks.com/index.html
https://www.designboom.com/art/lotte-geeven-records-sound-from-deepest-hole-on-the-planet-12-29-2013/