Dark Horse is the sixth studio album by the Canadian rock band Nickelback, released on November 17, 2008, in Europe and a day later elsewhere. It is the follow-up to their multi-platinum selling All the Right Reasons (2005). It was co-produced by the band and producer and songwriter Robert John "Mutt" Lange, known for working with such acts as Foreigner, AC/DC, Bryan Adams, Def Leppard and Shania Twain. Dark Horse sold 326,000 in its first week and debuted at number 2 in the US. More than a year after its release, the album did not leave the Top 100 on the Billboard 200. In its 91st week, the album peaked at number 46 for the week of August 28, 2010. From 9 October, the album stayed at number 71 for 97 consecutive weeks The album spent 125 consecutive weeks inside the Billboard 200. On the