https://archive.org/details/soundart4november2013
https://archive.org/details/soundart24october2013
https://archive.org/details/soundart23september2013
https://archive.org/details/soundart3september2013
https://archive.org/details/soundart8august2013
https://archive.org/details/soundart18july2013
https://archive.org/details/soundart17june2013
https://archive.org/details/soundart11june2013
https://archive.org/details/soundart17may2013
https://archive.org/details/soundart6may2013
https://archive.org/details/soundart19april2013
https://archive.org/details/soundart1april2013
https://archive.org/details/soundart20march2013
http://archive.org/details/soundart5february2013
http://archive.org/details/soundart13january2013
drawings graphite 0.5 B on A4 paper. osvaldo cibils 2013