On his new album, Eric Clapton covers 14 of the 29 songs that legendary bluesman Robert Johnson wrote during his lifetime. Robert Johnson has always been one of Clapton’s primary musical influences. “It is a remarkable thing,” writes Clapton in the liner notes to this record, “to have been driven and influenced all of my life by the work of one man. His music is like my oldest friend.” During his career - from John Mayall's Bluesbreakers to Cream and his own solo records