Super Audio CD Super Audio CD Super Audio CD (SACD) is a read-only optical disc for audio storage, introduced in 1999. It was developed jointly by Sony and Philips Electronics, and intended to be the successor to their Compact Disc (CD) format. While the SACD format can offer more channels (e.g. surround sound), and a longer playing time than CD, research published in 2007 found no significant difference in audio quality between SACD and standard CD at ordinary volume levels. Having made little impact in the consumer audio market, by 2007, SACD was deemed to be a failure by the press. A small
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