Elektramusic will present two evenings of electroacoustic concerts at CEAAC (Centre européen d’actions artistiques contemporaines) in Strasbourg (France) on May 15-16, 2009. Videomusic Le microsillon des vagues by Milliseconde topographie will be presented on May 15 and Symbiont by Mathew Adkins-Miles Chalcraft will be on May 16.