Mumford & Sons enjoy being 'classless' in America
Mumford & Sons say they are fed up of English fans labelling them as a posh band.
The folk group told Q magazine that their American fans never bring up their privileged roots.
Banjo player Winston Marshall said: "Class is a big issue here [in England]. And some people get picked on more than others.
"I think we probably do. I mean, it doesn't help that we wear waistcoats and tweed the whole time."
Winston added that the band didn't like how British fans judged them because of their background.
"There is a reverse snobbishness in England towards that sort of stuff," he said. "And I think that's one of the reasons we really enjoy America, 'cos we're classless."
Mumford & Sons' second album Babel went to number one on the US billboard chart earlier this year.
Marshall's bandmate Ben Lovett appealed to the UK public to give the band a break.
"I think it's unfair to hammer anyone for anything," he said.
"People should celebrate or ignore, that would be nice. On top of that, I just don't consider myself a posh person."
The band headlined the Pyramid stage on the final night of last month's Glastonbury Festival.
Bassist Ted Dwane, who recovered from a blood clot in his brain days before the show, added: "We're not the first band who went to public school."
Fans of Mumford & Sons include Prime Minister David Cameron, who recently joked that he had helped the band achieve success in the US after getting them on the bill for a White House reception.
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