'[Lollapalooza] was one of the few last ones we did and that was very special because the crowd was great and the setting makes you feel like you're in Gotham City or something', Mars gushed. On being perfectionists, Brancowitz jokes, 'We always have the feeling that if we do something that is not perfect we're gonna be stoned or crucified or something.' He added that making the album was not straight-forward either: 'It's a very long journey and very complicated... It all comes together at the last minute which isn't the most comfortable way to make it happen but it's just a personal curse.' Mars and Brancowitz also talked about future movie projects after having a previous track feature on Sofia Coppola's 'Lost In Translation'.