The whole paragraph containing the quoted sentence is:

“I object to the Brit-centric definition of folk,” she says, “which is very white and safe and fixated with acoustic instruments.” In her role as president of the English Folk Dance and Song Society, she has been keen to shake things up, diversity-wise. “To me, Ariana Grande is folk music. Bohemian Rhapsody is folk. I define folk as whatever you can sing in a pub – and for people to be able to join in and be as shit as you like. Folk music isn’t clean. It’s sexy and filthy and at the end of the night you fall over. And that’s how I like to live.”

The whole Guardian interview