and there's a hiccup

so I'm looking at the rules and I see that songifcs are basically forbidden. or I think
the rule is no lyrics from songs, but I don't know if that means registered copywritten music or any and everything that a brony ever put on a music video.
Context: I loved 20% Cooler and incorporated one paragraph into a scene to alter the 'background' to be canon within my story (just from 'Bring gout the Bacardi' to 'getting cooler by 20%').
I don't want to leave it in there if it'll get me a warning. Hard to be sure.