There's an accompanying BBC article
Singing Together: The radio show that got schoolchildren singing
28 November 2014
https://www.bbc.co.uk/news/magazine-30210485



"It petered out, fizzled out," says Barry Gibson, a senior producer in the School Radio Department towards the end. "Ultimately, it was down to audience figures because at that time teachers were under a lot of pressure to make sure that everything they did tied in with the National Curriculum.