Philips CD-i were released: "", "" and "Zelda's Adventure". Nintendo and Philips had established an agreement to co-develop a CD-ROM enhancement for the Super Nintendo Entertainment System due to licensing disagreements with Nintendo's previous partner Sony (an agreement that produced a prototype console called the SNES-CD). While Philips and Nintendo never released such a CD-ROM add-on, Philips was still contractually allowed to continue using Nintendo characters. Applications were developed using authoring software produced by OptImage. This included OptImage's Balboa Runtime Libraries and MediaMogul. The second company that produced authoring software was Script Systems; they produced ABCD-I. Philips also released several versions 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