They don't smoke. They don't eat meat. Few are aged over 20.
Toxins are anathema to their lifestyle.
At London's The Garage on Friday night, an American group called Snapcase performed. They are the new Utopians. Their audience looks like the punks who influenced them. In the US, members number 500,000. In the UK, the scene has yet to make a dent in the mainstream - around 1,000 is a current estimate, centred in Sheffield, Leeds and Bradford.