First Quest was an all-exclusive campaign for Advanced Dungeons & Dragons. Released in 1985, the campaign map and other documentation came packaged as the insert to an epic ambient synth soundtrack meant to score the mission through the hobgoblin kingdom (interspersed with bits of narration, of course).

Blogonomicon has more info if you're interested in actually playing along with the campaign. There was apparently a second version on CD that you can find through various sellers on Amazon, too. Read the rest

https://boingboing.net/2020/05/14/listen-to-this-80s-ambient-syn.html