This 2-CD set lets you inside the making of Miles" masterpiece; two-plus hours of audio include never-before-heard session talk, false starts and alternate takes, and extensive liner notes get deep into detail. You"ll hear a 17-minute live So What from 1960, plus the studio version; Freddie Freeloader; Blue in Green; All Blues , and Flamenco Sketches one of the most bewitching, beguiling albums of all time!