People are used to seeing kids jump around. You know, the target audience, the audience that's spending money on music, like rock and hip-hop - they're used to seeing people get really physically involved in their music.
The iPod has taken away the whole platinum record sales prospect. Sincerity and specificity are going to be the hot commodities in music. Everybody can have anything that they want, so now it gets into what specifically you have to give.