Industrial designer Christopher Glaister and fashion designer Michelle Shakallis’s barcode textiles are decorated by a pattern that translates a piece of music (When the Saints Go Marching In) into a barcode. The pattern can be turned back into real music or a ring tone by scanning it with a modified camera phone. The tune can then be used as the ringtone for that mobile phone.
Been looking for a link to that project for months, found it via a post on pixelsumo.
Other projects by Chr. Glaister: Communicating concrete and Olson, the independent camera.