Researchers in Europe think they've come up with a system that could end one of the most contentious issues in driving with passengers in your car: the choice of what music to listen to. Their system - which doesn't use headphones - claims to allow each person to listen to whatever they want, without bothering anyone else driving with them. 

The article is called "No more fighting over the car radio as experts find a way to hear two songs without clashing," but because it's behind a paywall, I'll have to publish the link like this so you can read it:

https://clearthis.page/?u=https://www.telegraph.co.uk/news/2021/09/14/no-fighting-car-radio-experts-find-way-hear-two-songs-without/