Dérivatif has been performed in Montréal and Paris… Details Dérivatif (2005-08), 27:11Brunhild Ferrarifixed medium Most recent events October 24, 2013 Montréal (Québec) Akousma X: Espace commun December 5, 2009 Paris (France) Multiphonies 2009-10: Akousma
