A song must move the story ahead. A song must take the place of dialogue. If a song halts the show, pushes it back, stalls it, the audience won't buy it; they'll be unhappy.
“I've found that if I say what I'm really thinking and feeling, people are more likely to say what they really think and feel. The conversation becomes a real conversation.”
“The president welcomes peaceful protests - it is a time-honored tradition. The president agrees violence is not the answer in Iraq, and that's why he hopes Saddam Hussein will disarm.”