<Table> <Tr> <Td> </Td> <Td> "Bad Day" (2005) </Td> <Td> "Free Loop" (2005) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> "Bad Day" (2005) </Td> <Td> "Free Loop" (2005) </Td> </Tr> <P> "Bad Day" is a pop song from Canadian singer Daniel Powter's self - titled debut studio album (2005). It was written by Powter and produced by Jeff Dawson and Mitchell Froom . Powter and Dawson recorded the song in 2002 but could not find a record label to release it at first . The song was first used in a French Coca - Cola television advertisement in Christmas 2004 before its official release . Tom Whalley, Warner Bros. Records' chairman and CEO, offered Powter a contract after hearing a demo tape of it . This track ended up being released as the lead single in Europe in early 2005 . </P> <P> Although "Bad Day" received mixed critical reviews, with some music critics praising its "universal appeal" while others felt it lacked depth in its lyrics, it was a commercial success . In 2005, the single charted in the top five in more than ten countries worldwide, and became the most played song on European radio . After its European success, it was released in the United States where it topped Billboard's Hot 100, Pop 100, Adult Top 40, and Adult Contemporary charts . In 2006, it became the first song ever to sell two million digital copies in the United States . After another million were sold, it was certified three - times platinum by the Recording Industry Association of America (RIAA) in 2009 . It was certified platinum in Australia, Canada, and the United Kingdom, gold in Denmark and Germany, and also received a certification in France and Japan . </P>

Who sings so you had a bad day