In booklet: track 1 (Der Rosenkavalier Suite): recorded on January 26-28, 1964 track 2 (Bolero): recorded in September, 1971 track 3 (Romeo And Juliet Overture-Fantasy): recorded on March 13, 1968 Recorded in London, England. Total Time 63:30 Transferred using a customized state of the art Ampex tube tape recorder and an extraordinary analog to digital converter with 20 bit linearity and a 128 times oversampling / digital filter, in an effort to achieve the finest quality sound. These historic recordings were originally made on high quality analog equipment. We feel this Compact Disc transfer, made from the original master tapes, is a testimony to our dedication to preserving the fidelity and transparency of the original source.