[airstrike]

I still have a problem with the word "Like" and with the full stop that's added for no particular reason

"Scientists still have a lot to understand about these songs, including their purpose" is a much better sentence.

The full stop in the article makes it sound like it's transcribing a speaker that didn't know what words to say next and made an unintentional pause. Or it's seeking to draw attention to how little scientists know in a rather flippant way. Like, totally disrespectful.

Maybe that's what resonates with the target readership, but for the rest of us it just sounds like a teenager, and I for one don't model my speech after teenagers