From the Tolkien Society website

Tolkien in Lovewill be broadcast on Friday 3rd August, 11.00-11.30, telling the story of how J. R. R. Tolkien met and fell in love with Edith Bratt in Edgbaston, Birmingham. More information here.

John Garth is one of the people interviewed.

iPlayer Link -

The Hobbit, The Musicalwill be broadcast on Saturday 4th August, 10.30-11.00. In December 1967 choristers at New College School, Oxford, performed an adaptation of The Hobbit. Some former choristers talk about their memories of taking part, with the songs performed by the present New College Chamber Choir. More information here.

iPlayer Link - ... z/The_Hobbit_the_Musical/

Radio programs are available worldwide from the BBC, so I will update with the listen again links when they are made available.