Audio experts are offering reasons ranging from quality of the recording to what pitch your ears pick up.
VIDEO: Yanny or laurel? Teens behind the biggest debate since the dress settle it once and for all
If you hear at a higher pitch, they say you'll hear Yanni. And at a lower pitch, you'll hear Laurel.
So what do you hear? Yanny or Laurel? Watch the video player below to listen to the clip in its original form and at a lower pitch.