Did You Hear What You Thought You Heard? Mondegreens! — Dave’s Diary
Over the last ten years or so we have had any number of conversations on the Morning news about song lyrics that we thought said one thing but really said something else. We came to realize we were not alone in this mistaken phenomenon.For example, when you listen to the lyrics of Creedance Clearwater Revivals's song "Bad Moon Rising" , you might erroneously think they include the line "there's a bathroom on the right". Hey, that’s what it sounds like, right?!
“Well don't go around tonight, Well it's bound to take your life, There's a bad moon on the rise.”
Scientists say mistakes like this are actually fueled by our prior knowledge. It's a thing called "mondegreens," and researchers confirm that it happens all the time. A professor of linguistics at the University of Pennsylvania explains that when you hear a song, you're getting an input signal that is muddled with background music, rhythms, and syllabification, making it hard for your brain to interpret everything at once.
Researchers say "when the signal is more ambiguous... then more of our perceptions are likely to be invented… consonants are typically more confused than vowels, and unstressed syllables are more easily confused than stressed syllables. " Makes sense to me..huh?(Yahoo)