A preview of unreleased tracks from Serj Tankian, The Damned Things, Coheed and Cambria, and Crosses (Deftones, Far), featured on the upcoming video game soundtrack, Batman: Arkham City - The Album, can be heard on Amazon.
The soundtrack hits stores on September 21st, while the video game will see its release on October 21st.
Update 9/27 12:06pm - The soundtrack will now hit stores on October 4th, while the video game will see its release on October 18th.