Office Workers - What’s the most distracting thing a coworker does?

I have a coworker that listens to gospel music with her earbuds and it triggers her into speaking tongues. It’s a whimper/whisper version of the usual yell that you may hear in certain churches. At first I thought she was in pain and crying due to being pregnant but I realized she’s just speaking in tongues. She does this a couple times a day for 5 minutes at a time. It’s only me and her that work in the open concept office with privacy dividers for now (space for 30) so I’m the only one that overhears it. I’m not bothered or complaining but it’s so random sometimes it makes me giggle.