"Part Four: The War Valyard", Opening Theme — Roland Moore, Matt Fitton, John Dorney, Lisa McMullin, Paul McGann, Rakhee Thakrar, Natalie Gumede, Jamie Newall, Andrew Fettes, Adèle Anderson, Jude Owusu, Venice Van Someren, Raj Ghatak, John Scougall, Nina Wadia, Wendy Craig, Anjli Mohindra, Michael Jayston, Nicholas Briggs & Tracy Wiles