"And she sent out recordists to collect songs and interviews from more than 700 people across Britain, used in the series "As They Roved Out". The programme was key to the revival of interest in the traditional music of the country. She effectively created a cell at the heart of the BBC establishment devoted to vernacular culture. The work in preserving folk music and dialect grew out of her involvement in the English folk song and dance society. Slocombe's efforts in this area have become a cornerstone of the society's collection, and helped spark folk's renaissance, says its librarian Malcolm Taylor. "Had that not happened a lot of the folk revival could not have sustained itself. It would have had no touchstone. It's one thing looking at the dots on the paper and the words in text but the sound fleshed it all out."

And where are the recordings of "As They Roved Out"? Why aren't they in the public domain?