Danny Glover discusses the first time he heard Sam Cooke's music, the social context in which Sam released his records, and the collective journey on which Sam's music takes us.

Avon Kirkland, Executive Producer of "Sam Cooke: Crossing Over," explains the impact and importance of the legendary singer.

D. Channsin Berry, Co-Producer of Sam Cooke: Crossing Over, discusses his motivation for making a documentary about "the man who invented soul."

The following essay by Lee Hildebrand comes from Specialty Records' 1991 collection, "Sam Cooke with the Soul Stirrers."

American Masters celebrates the wonderful world of music game-changer and definitive soul singer Sam Cooke.