Clockwork Angels is the 20th studio album by the Canadian rock group Rush. It was released on June 12, 2012. The first single off the album, "Caravan", was released June 1, 2010 to radio stations and through Amazon and other sites, such as Zune and iTunes, availible for download. The B-side of the track contained another song, titled "BU2B". Two more singles followed, with "Headlong Flight", being released on April 19, 2012, and "The Wreckers" on July 25, 2012. Neil Peart collaborated with Kevin J. Anderson on a novelization of Clockwork Angels that was released in September 2012.