The Secret of the "Better Days"

In 2010 the Colombian Army was preparing a rescue mission for 16 soldiers being held by the FARC. The strategy was based on the idea that the FARC allows hostages access to radios, the army considered hiding a message in a subliminal radio commercial, or disguise as a new story. Then, someone had a brilliant idea, to send a secret message in Morse Code inside of a pop song.