Ynés Mexía became one of the most accomplished plant collectors of her time.
Maggie Lena Walker was the first African-American woman bank founder and president.
Miles Davis recorded "gems" while fulfilling an obligation to Prestige Records.
Miles Davis' son Erin talks about the Prince album that his father played over and over.
Director Stanley Nelson on how this is more than just a film about a jazz musician.
The Miles Davis Estate offered unprecedented access to its archive for this film.