Boxer is the fourth full-length studio album by Brooklyn-via-Cincinnati indie rock band The National. It was released on May 22, 2007 by Beggars Banquet Records. The album features a guest performance by Sufjan Stevens on "Ada" and "Racing Like a Pro" and backing vocals by Marla Hansen. It debuted at number 68 on the U.S. Billboard 200, selling about 9,500 copies in its first week. The song "Slow Show" contains lyrics from the band's song "29 Years," first found on their self-titled debut album. .