Ever wonder why you see and hear the same 20 artists on the rotation on radio & television? No, it's not because people are calling the radio stations requesting the songs incessantly.  The answer: media-consolidation. 90% of the media is controlled by only 6 companies: GE, Newscorp, Disney, Viacom & Time Warner. Compare that to 1983 when media was owned by 50 companies.  According to Fre…