Arctic Monkeys are a rock band from Sheffield, England, formed in 2002. The group consists of Alex Turner, Matt Helders, Jamie Cook, and Nick OMalley, with original bassist Andy Nicholson departing in 2006. Rising to prominence as pioneers of the internet-driven blog rock era, Arctic Monkeys' 2006 debut album became the fastest-selling debut in UK history and is widely recognized as one of the greatest debuts. Their follow-up albums, including Favourite Worst Nightmare and the internationally acclaimed AM, have received major awards and chart success. Known for evolving their sound—from guitar-driven rock to more piano-based styles on later albums—the band has earned multiple Brit Awards, a Mercury Prize, and several Grammy nominations. Arctic Monkeys are considered one of the most important British bands of their generation, with several albums featured in all-time greatest lists.