"White Light / Violet Sauce" is the 28th single released by Amuro Namie. White Light was used as the Dwango Iromelo CM song, whereas Violet Sauce was used as the theme song for the Japanese release of the movie Sin City. When the director, Robert Rodriguez, first heard this song, he thought it perfectly fit the themes behind Sin City. He went so far as to feature in the song by saying 、Welcome to Sin City、 in one part of the song. A third song was planned to be included on the single as a B-side which was titled Nobody. It、s release was postponed and released on Namie、s 30th single, Baby Don、t Cry. Nobody shares the same music as White Light. This single reached #7 on Oricon charts and charted for eight weeks.