i love watching goku covers because i used to work on a cartoon named "kappa mikey" where a character named gonard looked almost exactly like goku and had the same voice actor
Goku and Vegeta visit Ribanra universe and the God of destruction there was about to erase them, but they manage to convince her they can sing a song that is beautiful in their world standard. And they sing this cause Bullaand Pan sing it a lot.