Jamaican Rap

http://www.jamaicans.com/music/articles_reggae/when-did-reggae-become-ra.shtml

I purposely used this title to frame this article.  The journalist argues that Rap actually traces its roots to Reggae rather than Reggae being now "claimed as Rap".  The interesting idea that comes to fruition in this article is that Rap and Reggae and any other music can't really trace their "roots" to a specific time and/or place.  It all has developed from others and has influenced others.  I neither say that Rap is the beginning nor reggae is the beginning but rather both of them are just terms that we place onto the music to identify it rather than the music as a representation of what people like.  I wonder how much people would listen to "other" music if we didn't have labels on the genres and we didn't push specific sections in the CD store (which I think was more influential on doing a "labeling" than iTunes.  But, if we hadn't had these sections and we had to sift through everything and listen to everything on any station, would music become one big conglomeration or would it still have distinct features that connected certain songs/artists? I wonder how good this would have been. . .