Thank you for the link at 19 chrise. I too was unaware of this genre. Having listened to a little now I am puzzled at how such irritating emptiness can be described as relaxing! But then I'm an old fuddy duddy who had to google for all three parts of 20A...
... and I also enjoyed the correct use of the NATO alphabet in 16A. Not many people know about Alfa and Juliett.