It is a concert DVD at Radio City put out in 2003 or 2004 produced by Scorsese. It has:Gatemouth Brown
Ruth Brown
Solomon Burke
Natalie Cole
Shemikia Copeland
Robert Cray
Honeyboy Edwards
John Fogerty
Buddy Guy
John Hammond
Hubert Sumlin
Larry Johnson
Angelique Kidjo
BB King
Keb Mo
The Neville Brothers
Odetta
Bonnie Raitt
Mavis Staples
James Ulmer
Kim Wilson
and a handful of other "newer" performers
Most do old blues songs from Robert Johnson, Leadbelly, etc....