TODAY’S RADIO

Alan Titchmarsh

7AM, CLASSIC FM

The spring blooms in Queen Charlotte’s secret garden glow with colour, the tree-filled moats of the world’s oldest and largest inhabited castle look lush after a long, wet winter, and the cedars around Obelisk Lawn will be suitably majestic this royal wedding day morning. Alan Titchmarsh casts his expert eye over the grounds and floral arrangements for this live broadcast from Windsor. Alan will also be playing a range of regal music in the build-up to the royal wedding.

The BBC Tour

9AM, 7PM, RADIO 4 EXTRA Gentlemen radio contributors such as H.G. Wells and George Bernard Shaw would be offered a whisky and soda in the agreeable BBC studios at Savoy Hill in London, just off The Strand. Nick Baker takes us on an archive tour of past and present BBC buildings. Robbie Savage (7.15pm, 5 Live)

Live Sport: FA Cup Final

2PM, RADIO 5 LIVE

Kick-off for the FA Cup final isn’t until 5.15pm, but there will be plenty to occupy 5 Live’s pundits. The chances of seven-times winners Chelsea or 12-times winners Manchester United lifting the silverware will be thoroughly chewed over, then John Murray,

Ian Dennis and Robbie Savage give us live coverage from Wembley. Then, at 7.15pm, Robbie and Jason Mohammad take calls from listeners across the country in 6-0-6.

Inspector Chen: Enigma Of China

2.30PM, RADIO 4

Inspector Chen, the poet turned policeman, has another politically tricky case on his hands. Zhou Keng is dismissed from his post on the Shanghai Housing Development Committee, accused of corruption. He is placed under house arrest – and later found hanged. The official verdict is suicide, but the perceptive Inspector Chen has his own theories.

Archive On 4: Commuterville

8PM, RADIO 4

‘Hey, where’s my jet pack, dude?’ you might well ask. Matthew Sweet compares the drudgery of the daily commute with the lunar cubicles, transporters and warp drive of science fiction but finds, on closer inspection, that the imagined future is full of long, mind-numbing, interplanetary commutes. SJ