Blue Book (CD standard) Blue Book (CD standard) The Blue Book is a compact disc standard developed in 1995 by Philips and Sony. It defines the Enhanced Music CD format (E-CD, also known as CD-Extra, CD-Plus and CD+), which combines audio tracks and data tracks on the same disc. The format was created as a way to solve the problem of mixed mode CDs, which were not properly supported by many CD players. The standard is not freely available and must be licensed from Philips. E-CDs are created through the "stamped multisession" technology, which creates two sessions on a disc. The first session of
Over the Edge Vol. 4: Dick Vaughn's Moribund Music of the '70s 1990 by SST Records on cassette only, it was re-released in 2001 by Negativland's own label, Seeland Records, as a CD. The CD version contains material not included on the original release, and also omits and rearranges some material from the original. DISC ONE DISC TWO Over the Edge Vol. 4: Dick Vaughn's Moribund Music of the '70s Dick Vaughn's Moribund Music Of The '70s is a collection of recordings edited from a wealth of material broadcast on KPFA's "Over the Edge" radio show, hosted by Don Joyce weekly and featuring members of Negativland, as well as material recorded at