Actor Jack Black recently joined a long line of prognosticators shaking the death rattle for rock 'n' roll. However, Foo Fighter Dave Grohl says, "There will always be rock 'n' roll." If saltine crackers are any way of judging, I'm with Grohl on this.
While we all have our own experiences to draw from, we relate to many symbols similarly. Our semiotic understanding of a situation is, in some ways, predetermined by those symbols already present in our collective conscience.