It's foot-stomping, soul-searching music that has raised the roof (in a spiritual sense, anyway) more than once: gospel. Now, you can learn about the people who give voice to this thrilling contemporary sound in this packed video that includes the candid stories -- and music -- of such artists as Donnie McClurkin, Mary Mary, Dr. Bobby Jones, Karen Clark Sheard, Vickie Winans, T-Bone and many others.