<Tr> <Th_colspan="2"> Music video </Th> </Tr> <Tr> <Td_colspan="2"> "If Today Was Your Last Day" on YouTube </Td> </Tr> <P> "If Today Was Your Last Day" is the third single from Nickelback's sixth studio album Dark Horse . It was originally planned as the first single, to hit all U.S. radio formats September 30, 2008, but was scrapped as the first single in favour of "Gotta Be Somebody". Instead it was released on March 31, 2009 . It was produced by Robert John "Mutt" Lange, who produced the entire album . The song was released as a digital download in the U.S. on November 11 . "If Today Was Your Last Day" was released in the UK on June 15 . The song was performed live for the very first time on May 22 at the Manchester Arena in Manchester, England . </P> <P> In the US, the song has sold over 1,500,000 downloads, as of February 2010 . According to Roadrunner Records UK, the song is "dynamically swelling our bank accounts". The song has also apparently been around with Nickelback for a while, but had never been finished . The song received Gold certification in Australia . </P>

Who wrote if today was your last day