Exectly, a LIVE sound is what I was wondering about.
"Why fly, when one can walk?" Yes, true, but there is always something people want to try out, even if it's "possible" some other way. Be able to play streaming stations inside of the game then getting inside of the car, and being able to change between real radio stations (if more then one added) with your gamepad would be great.
Or just imagine, you get in a car and there is a music, then suddenly the REAL news start. Or even real commercials, 'couse I'm so damn tired of this mother ****** Pogo the Monkey!