Silence - review
Hampstead, LondonFilter is an experimental company famed for its sonic virtuosity: David Farr is a writer/director with the language-driven RSC. So there is a certain irony in seeing them work together on a show called Silence. But, whereas the previous Filter-Farr collaboration on Water yielded a magical work on climate change, this is a more fitful piece about personal and political freedom in which the cat's-cradl…