The audience asks the questions in this afternoon's Mastertapes B-Side with Martin and Eliza Carthy. Listen from 3.30pm: The programme's A-Side is already available online: Watch and listen to session performances by all our Mastertapes guests:

Michael Sheen has been announced as the narrator of Neil Gaiman's latest novel 'The Ocean at the End of the Lane' on Book at Bedtime next month. Find out more

Lucy Beaumont, winner of the BBC Radio New Comedy Award 2012, takes over Radio 4 at 23:00 tonight with her very own radio show, Lucy Beaumont: to Hull and Back. You can hear a clip from the show, which features fellow Northerner Johnny Vegas, here: Find out more about the BBC Radio New Comedy Award, including how to enter, here:

From the first anguished cry on British television to Pam Ayres' West Country version of the Singapore Sling... See how many questions you can answer in this week's Radio 4 quiz:

In tonight's Mastertapes A-Side, Martin and Eliza Carthy talk about their work together and Eliza's Mercury-nominated album, Anglicana. Listen from 11pm: In Tuesday's B-Side, Eliza and Martin answer questions from the audience:Eliza Carthy performs Worcester Citywww.bbc.co.ukFor Mastertapes, Eliza Carthy performs Worcester City from her Mercury-nominated album, Anglicana.

In JG Ballard's The Drowned World, two lovers try to survive in a post-apocalyptic environment. With the earth's atmosphere destroyed, a process of de-evolution seems to have affected the crew of a scientific mission surveying drowned cities before they are abandoned for good. Listen to Graham White's adaptation: You can also hear the first page of The Drowned World read by David Seddon: Read about our Dangerous Visions season: Hear preview clips ahead of Sunday's dramatisation of J.G. Ballard's Concrete Island:

Does work expand to fill the time available for its completion? Do bureaucracies bloat of their own accord? These are some of the ideas offered by Cyril Northcote Parkinson whose essay, Parkinson's Law, made him a famous commentator on organisational structures in the 1950s. At 8pm, Matthew Sweet asks what Parkinson's Law might have to offer us in a world where bureaucracies are being slimmed down:work expand to fill the time available?www.bbc.co.ukHow Parkinson’s Law is being rediscovered by a new generation of thinkers.

Today's Tweet of the Day is the Great Skua. Great skuas are often known as bonxies - their local name in Shetland where most of the UK's population breeds. Almost two thirds of the world's great skuas nest here or on Orkney. The Great Skua: View galleries of birds featured so far in the series: More about today's presenter, Miranda Krestovnikoff:Radio 4 - Tweet of the Day, Great Skuawww.bbc.co.ukMiranda Krestovnikoff presents the story and sound of the great skua.