The History of Rhythm and Blues Volume One: The Pre-War Years. 4 CDs in a paperback-sized fold-out box set with a 32-page booklet containing in-depth analysis of the 97 tracks pointing out relevant stylistic and musical innovations. Disc One - The Blues - From The Delta To The City - Country Blues And Spirituals, Jug Bands & Hokum . Disc Two - The Rhythm Piano Boogie-Woogie Ragtime & Jazz. Disc Three - Up River To Chicago Urban Blues & Gospel. Disc Four - Jazzin' The Blues After Hours Swing Boogie & Jive