Artangel projects such as Roger Hiorns' Seizure and Clio Barnard's The Arbor originated from an open call for submissions.
Open is a £1 million initiative for new site-specific commissions across the UK. Deadline for ideas: 6pm on 28 February 2014.
Richard Holloway and Richard Mabey in conversation at RIBA, 31 October 2013
Stream a one thousand year long musical composition.