(via The Verge)
…Ortiz pitched the Colonel a plan as if he were pitching a commercial to Heinz or Coca-Cola. The Colonel stroked his chin. Espejo liked the code idea, because he knew that many soldiers — especially in the communications departments — were taught Morse code in their basic training. Furthermore, Espejo reasoned, “The FARC were peasants from the fields, they wouldn’t know [Morse].” It was a longshot, but if the team could disguise the telltale dot-dot-dash signals in a song, there was a chance the soldiers would hear the message…
Read more:
http://www.theverge.com/2015/1/7/7483235/the-code-colombian-army-morsecode-hostages
Every Moment Has A Song 