http://whatculture.com/music/20-popular-songs-with-creepy-hidden-messages
https://en.wikipedia.org/wiki/I_Don%27t_Like_Mondays
https://en.wikipedia.org/wiki/Blue_(Da_Ba_Dee)
https://news.google.com/newspapers?id=boNOAAAAIBAJ&sjid=ovoDAAAAIBAJ&pg=2585,443174
http://www.mirror.co.uk/3am/celebrity-news/james-blunt-reveals-dark-meaning-10120539
http://ultimateclassicrock.com/nick-mason-pink-floyd-secret-message/
http://www.metalinjection.net/lists/10-best-metal-songs-that-have-hidden-messages
http://marquee.blogs.cnn.com/2012/12/21/foster-the-people-school-shooting/
http://www.bet.com/music/2016/07/23/desiigner-explains-the-deeper-meaning-behind-his-new-single--tim.html
https://www.valucre.com/topic/32123-reversed-horrifying-song/