Belgian sound artist Pierre Berthet presented on Abril 29th 2015, his "Expirateur" concert, for prepared vintage vacuum cleaner, in front of over 100 thrilled children from the public primary school and kindergarten of São Pedro do Sul, Portugal. This concert was part of the educational programme organized by Binaural/Nodar in parallel with its first Soccos held residency between April 12th and May 2nd, 2015.