The answer to this pivotal question, as any fan of the hit �Saw� film series would guess, are the dangerous, dramatic strains of hard rock, metal and industrial music. These sounds are represented on Saw IV Original Soundtrack by giants of those genres � Nitzer Ebb, who unveil highly anticipated new material with the hard-hitting �Payroll (JohnO Mix),� Ministry (�Life Is Good�), Skinny Puppy (�Spasmolytic [Deftones Remix (Habitual Mix)]),� �Saw� composer/Nine Inch Nails alum Charlie Clouser (�Just Begun�) and Sixx: A.M., fronted by M�tley Cr�e bassist/songwriter Nikki Sixx (�Tomorrow�) � as well as established bands who�ve been influenced by them, including Drowning Pool (�Shame�) and Avenged Sevenfold (�Eternal Rest�), and up-and-comers forging a similarly creative path like From Autumn to Ashes (�On the Offensive�) and Submersed (�Better Think Again�).

Aside from occupying a certain punishing position on the sonic spectrum, many of these acts also have in common an abiding love for all things �Saw.� Attests Miller: �A lot of these artists are huge fans of the franchise, and their music really relates to it.� He points out that Solidium (�Trapped�) are also devotees of modern horror films in general and that Oxygen is so enamored of the �Saw� series that their contribution to Saw IV Original Soundtrack, �Do You Want to Play a Game,� takes its title and thematic thrust directly from the films. Moreover, Saw IV Original Soundtrack is itself an �inspired by� collection. Aside from �Just Begun,� an excerpt form Charlie Clouser�s score, the songs comprising this companion piece are not heard in the film; instead, their selection was inspired by the film.