Listen to the sound clip They Know I'm Sick from Backwards Messages in Songs: They Know I'm Sick They Know I'm Sick This sound is from Backwards Messages in Songs Are these song clips examples of "backward masking" where backward messages are deliberately recorded? Or reverse speech, said to be a natural vocal occurence coming from the subconcious mind? Or a clever way of persecuting musicians? You decide. Go to the full soundboardwith more sound clips Search