JANIS JOPLIN Pearl (2008 Japanese exclusive limited edition 14-track Blu-Spec CD [a new audio CD format using Blu-Ray technology playable on all CD players] originally released in 1971 includes 4 bonus live recordings picturesleeve with Japanese/English lyric sheet & obi-strip. This example remains factory sealed from new in the stickered shrink SICP-20029) Sony Music Entertainment Inc. has used its Blu-ray Disc technology to develop an audio CD [Blu-Spec] with high sound quality. The new discs are built using polymer polycarbonate materials as well as an optimized Blue Laser Beam cutting technology that imp