It's really hard to fit a complex idea into a 3-minute pop song. And when you're dealing with issues that you're passionate about, usually they have various levels. And within a poem, you can get around the issue of space, and in a song the same way, by simply leaving holes and alluding to what you're talking about.
Jon ForemanThe song can be a little bit more of the mystery and leave the whole thing open ended. But there's something really gratifying about saying exactly what you mean.
Jon Foreman