Simplify the following text for a Grade 11 native English-speaking person.
Original: ( The lyrics are truncated , to keep them short , per copyright restrictions limiting to 10 % , or prohibiting the display of an entire performable unit , of a composition ) .
Simplified: ( Only part of the lyrics are listed , to keep them short , per copyright laws limiting to 10 % , or prohibiting the display of an entire performable unit , of a song ) .