This 10 CD set offers an insight into the development of blues music into the  rock & roll and soul music of the 1960s - not only for interested and informed  collectors but also for ,normal" music fans. The unique box set features 200 hits  and rare gems from the 1950s; 148 of these precious tracks found their way  into the American rhythm & blues charts and 49 of these musical gems even  climbed all the way up the charts, eventually hitting the Number 1 spot. The  rest of the tracks are by no means just album fillers - they are true rarities!!!!!