The 5th Linux Audio Conference is taking place in Berlin (Germany) in 2007. The TU-Berlin is hosting the conference in cooperation with people of the Humboldt University Berlin, the Berliner Künstlerprogramm of the DAAD, the festival MaerzMusik, the Instituto Cervantes Berlin and the Tesla Berlin. The conference shows once per year important developments in the subject making music with Linux and open source tools. Invited is everyone who is interested in the possibilities of this platform. The LAC is offering a wide range of workshops, tutorials and hands on demos. There will be presentations on the subjects Computer Music, Music Production, Drivers and Sound Architectures and Audio Distributions. The LAC aims at bringing together developers and users of Linux and open source audio software with the goal of information sharing, project discussion and music. Each day of the conference there is a concert which features music composed and created with open source software. One of the highlights of the conference is the demonstration of a auditorium of the TU-Berlin, that has been equipped with a new spatialisation system (Wave Field Synthesis), driven by a Linux-Cluster. The program of the conference is online and registration is possible. Free admission to all events except to the concerts at the Tesla and the MaerzMusik LAC2007 22.3. to 25.3.2007, TU-Berlin, www.lac.tu-berlin.de