Singer hits out at artists like Katy Perry who, she says, 'sell sex to children'
Track is set to feature on duo's forthcoming new album 'III'
Electro duo push album back a week
Forthcoming third LP will be released on November 5
Track is the second to be taken from the band's forthcoming LP
The electro duo's third LP will come out the same month they tour the UK
Alice Glass and Ethan Kath will play six shows on the end of year run
The duo also unveil new track 'Plague'
Magnetic Man, The 2 Bears and Hot Chip also make appearances on the first day of the festival