Harvard University alumni in all BBC programmes
Billy Bragg explores the politics behind the work of folklorist Alan Lomax.
Nick Clarke joins Alistair Cooke to listen to some broadcasting gems from his career.
Acclaimed conductor Marin Alsop remembers her mentor, the great Leonard Bernstein.
Shirley Collins tells the story of Alan Lomax's historic 1959 trip to the southern states.
Clarke Peters explores the art of the musical theatre lyricist.