If you've heard it once, you've heard it a million times - the book was better. There's nothing like debating the differences between a favorite book and its translation to the screen.
The best lyricists are poets, albeit with a slightly different skill set. Their goal is not to make the words sing upon the page, but rather to craft lines that can be sung in real life. Like Shakespeare's plays, their couplets and stanzas are meant to be heard and not seen.