Backmasking of Music
Not everyone thinks that "backmasking" is for real. You can make up your own mind. This topic is just for personal interest -- it is NOT going to be tested. It's useful for conversation and/or arguing.
One truth is that "subliminal messaging" is a reality. It is certainly true in advertising, and it has been used to "modify behavior." Because it promotes a type of mind control, it has come under the observation of the government.
Here is a website that has several links to songs you should recognize. The website author suggests that you listen to the backwards track BEFORE you click on the "translation."