Completely unreleased studio-recorded tracks by John Coltrane unveiled. This features John Coltrane's session tracks held on March 6, 1963 at Van Gelder studio. Disc 1 includes seven mater takes (47 min., approx.). Disc 2 includes alternate takes. Features UHQCD format. *UHQCD (Ultimate High Quality CD) is an upgraded version of HQCD, a high fidelity CD format developed by Memory-Tech.