"Up!" is a Juno Award winning song by Canadian singer Shania Twain. It is the title track and second country single from her 2002 album Up!. The song was written by Twain and her husband, Mutt Lange. "Up!" was originally released to North American country radio on January 6, 2003. "I'm Not in the Mood (To Say No)!" was to be released to pop radio alongside "Up!" but this...