I've got this track stuck in my head - this is all I know of it...

 

The most prominent part of the track is this very distinct "doo doo da doo, da doo" instrument line in quite a high tone, sounds like something Disclosure might have put out a few years ago. The track is quite housey but nothing overly energetic or club-friendly. I'm pretty sure the song is relatively well known. It's possible the track is used in memes too? Not sure but I have a recollection of hearing it at least a few times recently.

 

If you're humming it to yourself, put more emphasis on the second "da", I hope someone can identify it :D

It's not

, is it? It doesn't particularly sound like Disclosure, but it does have a high-pitched instrument line and was very much used in memes.

Baby Shark???