A C64-tracker on a shirt with a QR-code that points to a music album: Shirbum. Made by PET.CORP and Goto80. Available here.
A Commodore 64 music software, overlayed with loom punch cards used as spray stencils, then faxed. From the performance Fax & Frankering For Folket, Copenhagen, 2011. More images at faxforfolket.