U2 bassist Adam Clayton told the Irish publication Hot Press that the band is working with producer Danger Mouse on a yet-to-be-titled album that could be out by year's end. Clayton said the group "very much want to have a record out by the end of the year, September, October, November." Clayton added, "To make the best record you can, you have to steer away from the ones you can make easily. We're really trying to get into territory that we're not comfortable in." U2's last studio effort was 2009's No Line On The Horizon.