User blog comment:Servant of Evillious/Ru Ri Ra, Ru Ri Ra The Resounding Song Analysis/@comment-108.54.24.34-20130602211902

My personal theory is that the Rs and Ls(they're actually pretty distinct) are to show what is and isn't a Clockwork Lullabye song. So, 'ru ri ra' is for the lowly peons that aren't Clockwork Lullabye. Or something.