HEARING tests may be required for residents of some parts of New Zealand, where music aficionados are operating so-called "siren battles" where they compete to blast the loudest music from their cars.
But it's not heavy metal - residents of the suburb of Porirua near Wellington say they've had enough of Celine Dion, whose heartfelt ballads form most of the content.
The BBC reports that cars can have up to 10 massive speakers, with the competitions usually held throughout the night.
"Celine Dion is popular because it's such a clear song - so we try to use music that has high treble, and not much bass," said a participant Paul Lesoa.
"We just love music, we love dancing, and doing this is better than night clubbing or drinking in a bar in the city," he said.
"Basically everyone has a hobby, and while our hobby can be quite disturbing...we just want our own proper, safe space away from people to do it."
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