However, while some of the names on that list have barely been heard of since, the young rockers’ debut has become the fastest-selling British rock album of the past three years. When Brighton drums-and-bass rock duo Royal Blood were named on the BBC’s Sound of 2014 list at the start of the year, they stuck out like a sore thumb among fashionable singer-songwriters and moodily chic, electronic knob-twiddlers.