Terry Gross

In her new book, All That She Carried, historian Tiya Miles tells the story of an enslaved woman who, upon hearing her child was to be sold off, hastily packed her a bag with a few personal items.

While with Motown, Knight & The Pips turned out a slew of hits, including "I Heard It Through the Grapevine," which they performed at the 1969 Harlem Cultural Festival. Originally broadcast in 1996.

Staples began singing with her family as a teenager. The Staple Singers started out in gospel, but moved over to pop, eventually playing the '69 Harlem Cultural Festival. Originally broadcast in 1989.