Does anyone remember this 1965 series from the Light Programme:

https://genome.ch.bbc.co.uk/search/0/20?adv=1&media=radio&order=asc&q=%22folk+room%22&yf=1960#search

And has any survived?

I'm not sure if these programmes were just all record shows or were live sessions plus a record slot - the listing is ambiguous (I think).