TODAY’S RADIO

NEMONE 7.30AM, BBC 6 MUSIC

HHHH Looking sharp in a Stetson, Idris Elba stars with Regina King in the film The Harder They Fall.

It’s a trigger-happy tale of revenge in the Wild West, and Idris and Regina will be talking about the film this morning with Nemone, who’s sitting in for Lauren Laverne.

SLIME: A NATURAL HISTORY 9.45AM (FM), 12.30AM, RADIO 4

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We’re not keen on slime. There is something inherently repulsive about the stuff, even though it has played a major part in evolution, defends us from infections and might be the thing that saves life on Earth. In this week-long series, Sirine Saba reads from Susanne Wedlich’s weirdly fascinating book about the oozy stuff.

COMPOSER OF THE WEEK 12 NOON, RADIO 3 HHHH

George Walker’s mother made him have piano lessons when he was just five years old – and he took to the instrument like a duck to water. He won scholarships, impressed concert audiences, and seemed to be on the brink of a dazzling musical career, but being a black classical pianist in 1950s America was a hard row to hoe, so George turned his back on performing and threw himself into composing. Donald Macleod presents this week-long series on George’s life and music.

PRESTIGE 2.15PM, RADIO 4

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Jane Slavin and Jumaan Zizzari play two friends who were once frontline foreign correspondents, and have a shared secret. Monica now works for a UK aerospace and weapons business; Samira works for a human rights organisation. Samira has come into possession of evidence, filmed in Yemen, of atrocities against civilians. In Hugh Costello’s pacey drama, this evidence puts Monica in a terrible position, facing a decision that will have serious consequences.