This one is actually related to the song. I don’t know what high school music teachers usually use as their songs to teach with. Mine used Beatles songs. And, as very few of us had heard any of these songs, he also took the opportunity to tell long pointless stories about the various chemicals under whose influence he had initially experienced these songs.
Na na na na-na-na na, na-na-na na,
Mostly, that brings to mind interminable hours spent trying to sing Hey Jude just right so that he would be satisfied. He never was.