I listen to the same music all the time. When i turn it off to watch a movie or take a nap in would swear that I can still hear it but it's definitely off. My c

I listen to the same music all the time. When i turn it off to watch a movie or take a nap in would swear that I can still hear it but it's definitely off. My current theory is that some similar but unrelated sounds in my environment are triggering my brain's pattern matching to which fills in the rest. The effect goes away after a while.