Remixing ‘Shuffle Along,’ a musical that brought new sounds and moves to Broadway

Almost everything has been forgotten about "Shuffle Along," the 1921 Broadway musical written, performed and directed by African Americans. But the production was hugely influential, altering the evolution of the art form. Now there's a new "Shuffle Along," a new musical about the original, starring Audra McDonald and choreography by Savion Glover. Jeffrey Brown reports.