Exactly, I've seen MJ's "This is it concert" and I saw that he was asking musicians to play each part, he was playing some notes with his vocal and asking the electric guitar player to play it, it's all working and all are true, but you know without money, no band or solo artist can move on. we are all love to do our music and share it around with people, but even that sharing ( need advertisement which needs money) so we can't do it free. we can only be free and make no money from it only when we have a side job or maybe if we can live in the nature :))). I mean if we don't need a house or paying taxes or buying food and paying for energy ...