Cryptography in Arabic music Posted by boos on Friday October 20, 2017 @02:48PM from the ma3azef.com dept. http://ma3azef.com/%D8%A7%D9%84%D8%AA%D8%B4%D9%81%D9%8A%D8%B1-%D8%A7%D9%84%D9%85%D9%88%D8%B3%D9%8A%D9%82%D9%89-%D8%A7%D9%84%D8%B9%D8%B1%D8%A8%D9%8A%D8%A9/ ( 4 comments | 6 points | on HN )
https://news.ycombinator.com/newsguidelines.html