“The best xx songs are defined by their use of space. One of the most interesting uses of open air on the band's self-titled debut was the gulf between Romy Madley-Croft and Oliver Sim's voices. "Chained" takes that duelling effect and uses it to set up an intense pinprick of drama. The two vocalists swoop and duck around each other's verses, almost as if they're avoiding each other. Sometimes, the”
