Chuck Berry, Eric Clapton, Keith Richards, Johnnie Johnson, Chuck Leavell and Steve Jordan playing Mean Old World in 1986.

"Mean Old World" is a blues song recorded by American blues electric guitar musician T-Bone Walker in 1942. It has been described (along with the single's B-side) as "the first important blues recordings on the electric guitar". Over the years it has been interpreted and recorded by numerous blues, jazz and rock and roll artists.