Radio highlights

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One Nation Under a Groove: the Story of George Clinton and P-Funk

(today 9.30pm R2)

Craig Charles fronts this account of the bands that transformed R&B in the 1970s. Headed by George Clinton, aka "The Godfather of Funk," Parliament and Funkadelic (known collectively as P-Funk) pumped out floor-fillers such as "One Nation Under a Groove".

Sacred Nation

(tomorrow 8pm R2)

In a weighty new six-parter, Christopher Eccleston recounts the history of religious faith in the UK. The series, written by Michael Symmons Roberts, underlines how the British Isles have always had a pluralistic approach to religion. The first instalment shows how, in ancient times, religion was influenced by the natural world.

Roses are Red

(Mon 11am R4)

To mark Valentine's Day, Euan McIlwraith travels to Ecuador, one of the major suppliers of roses for the romantics' annual big day. He uncovers the weeks of preparation that are required in the run-up to Valentine's Day, which accounts for 90 per cent of the industry's annual profits in that country.