The 20th Century Masters series is the best-selling single-artist line in music history and is being re-released by Universal Music Enterprises (UMe) in its ground-breaking, environmentally-friendly packaging format. A first for the music industry, the standard package (both sleeve and tray) will be completely paper-recyclable, continuing the company's long-standing commitment to being "green." To further reduce the amount of paper in the Eco-Pack, the CD booklet will no longer be offered. Official liner notes are easily accessible on the Internet at