What this city sounds like now compared to what it sounded like in 2002
The old game had a soundscape that was mostly music. You drove and a station played and that was the audio experience.
What struck me in the footage is how much of the sound is not music. Air conditioning units, traffic, a leaf blower somewhere, people talking in two languages, boats in the distance. The music is one layer in something much denser.
That is not a technical improvement, it is a different idea of what a city is. In 2002 Vice City was a soundtrack with a place attached. This is a place that happens to have radio in it.