Corner Stone Cues (CSC) is a label and music production house based in Los Angeles. It is best known for debut release and title song “Requiem for a Tower” featured in the trailer for The Lord of the Rings: The Two Towers. “Requiem for a Tower” is the re-orchestration and arrangement by , , and Veigar Margeirsson of Clint Mansell’s “Lux Aeterna”, written for the film Requiem for a Dream. "In Situ" the most recent release, features songs mainly composed by Daniel Law Heath. There are tentative plans to record a future hybrid orchestral/Epic Music album in the style of "Eton Path".