'Cleansing' is one of the many recorded, but few released due to legal reasons, instrumental songs by Manson done for the Resident Evil soundtrack.
Although memebers of his band did contribute in minor ways to these tracks, they are considered to be his only 'solo' works.
Marilyn has stated interest in releasingmore of the songs he did which were used as score for the movie, but nothing has surfaced as of yet.

The clips seen in this AMV (Anime Music Video) are from the anime Blood.