https://archive.org/details/soundart26october2016
https://archive.org/details/soundart14september2016
https://archive.org/details/soundart17august2016
https://archive.org/details/soundart20july2016
https://archive.org/details/soundart12june2016
https://archive.org/details/soundart18may2016
https://archive.org/details/soundart24april2016
https://archive.org/details/soundart24march2016
https://archive.org/details/soundart19february2016
https://archive.org/details/soundart20january2016
drawings graphite 0.5 B on A4 paper. osvaldo cibils 2016