Strange Weirdos: Music from and Inspired by the Film Knocked Up is the official soundtrack album to the 2007 Judd Apatow film Knocked Up, and the eighteenth studio album by American singer-songwriter Loudon Wainwright III, released on May 22, 2007 on Concord Records. The album was co-produced by Joe Henry and Wainwright. Guests featured on the album include multi-instrumentalist Greg Leisz, Van Dyke Parks, bassist David Pilch, Richard Thompson and Patrick Warren.