up albums  ("O Sister" and "O Sister 2"), two concert tours, and won Country  Music Awards for Album of the Year and Single of the Year (for "Man  of Constant Sorrow"). It also won five Grammys, including Album of  the Year, and hit #1 on the Billboard album charts the week of March  15, 2002, 63 weeks after its release and over a year after the  release of the film.