found: Work cat.: Compounds + elements, p2006.
found: Allmusic WWW site, Aug. 1, 2006:(evolved from experimental electronic music of the '70s synth-based artists and the trance-like techno dance music of the '80s; became a popular cult music in the early '90s; spacious, electronic music that is concerned with sonic texture, not songwriting or composing; frequently repetitive and it all sounds the same to the casual listener although there are significant differences between the artists)
found: The Oxford dictionary of new words, 1997(developed as a musical genre since the late '70s; associated primarily with the creation of a mood of relaxation or contemplation; the noun "ambience" has emerged as an alternative term for "ambient music")
notfound: The Oxford English dictionary, 1989