Takk... ([ˈtʰaʰkː], Icelandic for Thanks...) is the fourth studio album by the Icelandic band Sigur Rós. It was released on September 12, 2005, through EMI. The album debuted at 27 in the U.S., selling 30,000 copies in its first week of release. On 7 April 2006, Takk... was certified gold by the BPI, marking 100,000 copies sold in the UK. In total, it has sold over 800,000 copies worldwide.