Their fourth album, "Boxer", was released on May 22, 2007, and also received widespread critical praise. The album features contributions from various guest artists, including Sufjan Stevens and Doveman. It was voted as the No. 2 best album of the year by Stereogum.com and the No. 1 album of the year by "Paste". The song "Slow Show" from "Boxer" was featured on the NBC series "Chuck" and "Parenthood", as well as on The CW's "One Tree Hill" in its fifth season. The song "Start a War" was featured on the series "Defying Gravity", "Brothers and Sisters", "House", "Parenthood", "Friday Night Lights", as well as the film "Warrior". The track "Fake Empire" was featured in the Season 2 Premiere of the HBO series "Hung", also on the 9th episode, season 5 of "Person of interest", and on the third episode of the second season of "Chuck" and in the pilot episode of "Southland". An instrumental version of the song was featured in Barack Obama's campaign video "Signs of Hope and Change" during his 2008 United States presidential campaign, and the song was also played at the 2008 Democratic National Convention. "Boxer" made numerous "album of the decade" lists, including Pitchfork, "Aquarium Drunkard", "Paste", and more.