Second release in the 40th Anniversary series, this version of one of the most revered rock albums of all time contains a compact disc with 5.1 surround sound mix by Steven Wilson, with Robert Fripp as executive producer, from the original studio masters, as well as a new stereo mix from the original multitrack tapes. Disc one also features five previously unreleased tracks. Disc two is a DVD A which features both the original album imx and the new album mix in high res stereo, as well as three bonus tracks in high res stereo.