Marcos Prack mprack@gmail.com 2694129-R Graphic designer and photographer, he has worked in several advertising agencies and offices both in Buenos Aires and Madrid. VJ since the turn of the century, he occasionally performs VJ sets in clubs and presentations across Madrid with musicians and DJ’s. For his VJ’ing work he records film with video camera, camera and mobile phones as well as 3D compositions controlled via MIDI and OSC. The music plays an essential role in his VJ sets as many parameters react to sound. He uses the program VDMX in his live sets, together with Quartz Composer under Apple, with which he creates complex 3D universes which he edits live.