Ultimate Collection (SHM-CD) (USA-import)
About SHM-CD: SHM-CD (Super High Material CD) is a superior quality CD fully compatible with all CD players. SHM-CD utilizes a polycarbonate material originally developed for LCD screens, and the enhanced transparency of the SHM-CD results in more clarity, depth and definition of sound, bringing the listener ever closer to the music of the original master.