Alex Turner "We're moving on and thinking about different things." The band turned down many promotional opportunities and quickly released new material - a five-track EP "Who the Fuck Are Arctic Monkeys?" in April, and a stand-alone single, "Leave Before the Lights Come On", in August. That summer, the band made the decision to permanently replace Nicholson, who had taken a touring break due to "fatigue", with Nick O'Malley, another childhood friend. As of 2015, Turner and Nicholson remain "close friends". Arctic Monkeys' second album, "Favourite Worst Nightmare", was released in April 2007. It was produced by James Ford in London. Lyrically,
What One Becomes 74/100, which indicates "generally favorable reviews". The A.V. Club wrote that "It’s hard to imagine a better metal record coming out this year", praising the performances of Turner, Yacyshyn, and Cook. "What One Becomes shows Cook and Turner again occupying highly coveted space on the zenith of aggressive music—this time alongside Yacyshyn, the percussive mastermind. It’s hard to imagine a better metal record coming out this year." Pitchfork praised the album for breaking new ground, writing that the album "feels more improvisatory than most of any of the members’ prior works (especially bassist Brian Cook, better known for his work