Radio interview with Samuel van Ransbeeck, SBS Portuguese, Sydney, Australia (in Portuguese), December 2018: https://www.sbs.com.au/yourlanguage/portuguese/en/audiotrack/artista-belga-transforma-numeros-da-violencia-no-rio-de-janeiro-em-notas-musicais
Paper presented at KEAMSAC Seoul, South Korea in October 2016. This details the original staging. The mappings have changed slightly during the different stagings but there have been no major changes in the concept. You can read it here.