The Frost Tapes Radio 4, 11.30am

Wilfred Frost (right) has saved the best until last. The series’ final episode features his father David’s interviews with members of The Beatles. Among the highlights are Paul McCartney’s anecdotes about his working class childhood.

In the new five-part series The Scramble For Rare Earths (Radio 4, 1.45pm), Misha Glenny reports on the issues behind the mining of rare metals used in modern technology.

Book Of The Week: The Captain’s Apprentice (Monday-Friday, Radio 4, 9.45am & 12.30am) is Caroline Davidson’s account of the influence of folk songs and the Fens on composer Ralph Vaughan Williams.