So far, the brand has not revealed the complete details of the car so at this moment it would not be possible to give a verdict on its music system but from Hyundai, we can expect a quality one. Rest we would suggest you to wait for the launch.
The next iteration of the Hyundai Elite i20 2020 has been spied testing in India and looks similar to the one spied in Europe. The latest sighting has revealed some new features of the 2020 i20, including the addition of a sunroof. But as brand hasn't revealed the whole feature list of the car for India yet. So, we would suggest you to wait for official words. You may set an alert for its launch also.