It's just lazy song writing, they have the melody but don't bother coming up with lyrics... it's been done for decades.
Might as well copy a paste what I said for the other video
The 2010's "NaNa" what it actually was
ScreaminMime 11 minutes ago
QuartPlus8oz 58 minutes ago
I worship Nana Visitor. I still watch Deep Space Nine reruns occasionally.
Used to watch Sha Naa Naa back in the 70s too! My life is full of Sin.
