Keb Mo, is a three-time American Grammy Award-winning blues musician. He is a singer, guitarist, and songwriter, currently living in Nashville, Tennessee. He has been described as a living link to the seminal Delta blues that travelled up the Mississippi River and across the expanse of America. His post-modern blues style is influenced by many eras and genres, including folk, rock, jazz and pop. PeaceBack by Popular Demand is the eighth studio album by Keb Mo. It contains covers like Buffalo Springfields For What Its Worth, John Lennons Imagine and Marvin Gayes Whats Happening Brother featuring Bettye LaVette.