TODAY’S RADIO

11AM, RADIO 4 There’s been a huge rise in heroin and other opiate addictions in a suburb of Cleveland, Ohio. One of the reasons for this rise is that drug dealers see the suburbs as a more reliable source of income than inner cities. India Rakusen reports on drug problems in a place of neat front lawns and white-painted houses.

Taking Art To The People

11.30AM, RADIO 4 Thomas Horsfall inherited a fortune – made through textile manufacturing – and spent it on art. He had a vision of bringing free art to the poor, so he founded the Manchester Art Museum. Michael Symmons Roberts tells the story of this 19th-century philanthropist, benefactor and aesthete.

Nature’s Great Invaders

1.45PM, RADIO 4 (FM) There’s probably a ring-necked parakeet squawking away in a tree near you right now. These bright green, attractively feathered – but noisily irritating – birds have flourished in the UK. This programme wonders whether we are being too soft on this colourful little parrot.

BBC Proms 2016

7.30PM, RADIO 3 Bach spent around 20 years, on and off, composing his Mass In B minor. It is considered by many, not without reason, to be one of the greatest musical works of all time. It will be performed by the choral group Les Arts Florissants, with the soloists Katherine Watson, Tim Mead, Andre Morsch and Reinoud Van Mechelen, this evening.

The Essay

10.45PM, RADIO 3 The gap-toothed comedian Terry-Thomas often played cads and bounders, but was, by all accounts, a thoroughly good egg. He learnt his craft as a teenager, when he tried to keep his alcoholic parents from feuding by doing comedy turns and slapstick routines. Simon Heffer celebrates his life and work.

Heresy

11PM, RADIO 4 Victoria Coren Mitchell presents this edition of the show that challenges received opinion and knee-jerk reactions. Her brother, Giles Coren, is on the panel; will nepotism be one of the subjects under discussion?

Terry-Thomas (10.45pm, Radio 3)