LONDON.- Significant new acquisitions to Tates Collection by some of Britains most innovative contemporary artists are on display at Tate Britain. Presented in a newly re-hung suite of contemporary galleries, works by artists including Marc Camille Chaimowicz, Enrico David, Cathy Wilkes and David Musgrave are being shown for the first time at Tate Britain. They form part of an atmospheric installation, entitled Has the film already started?, which highlights the role of scene-setting and performance in British Art from the 1970s to the present day. Highlights among the new acquisitions include Marc Camille Chaimowiczs groundbreaking Partial Eclipse 19802006, for which there will be a weekly live performance every Saturday afternoon at 15.00, and Cathy Wilkess (We are) Pro Choice 2008, a large-scale installation which brings together discarded everyday objects to create an unsettling tableau. A fu