"I’ve seen a few articles over the past few years detailing the best ambient albums, the state of ambient or the return of ambient, and whilst they’re often very positive for the genre, the artists and every other person involved in making this type of music, I can’t help but feel a bit empty after reading them.
These articles rarely scrape the surface of a genre that has never gone away, and will probably never “make a comeback” but instead, the genre continues to evolve. Ambient music will always remain a sub-culture of many popular music styles out there, or more to the point of this article, be the hidden undercurrent that’s helped inspire many other styles of music.../"
Neither scene nor heard: a journey through ambient music
Ryan over on astrangelyisolatedplace has written a marvellous essay on ambient music that is well worth reading, bookmarking then reading again.