How do you put subliminal messages into a song?

Answer:
Most songs that contain "sublimal messages" are there on accident.
But the ones made on purpose are usually voice, edited so it plays backwards. And when someone puts it to backwards mode, you hear what it actually says.
First answer by Wolfaaron. Last edit by Wolfaaron. Contributor trust: 67 [recommend contributor recommended]. Question popularity: 1 [recommend question].