DELERIUM featuring SARAH McLACHLAN Silence (Official 2004 UK Nettwerk 3-track promotional CD-R acetate featuring a memorable vocal perfromance by Sarah McLachlan includes remixes by Airscape and DJ Tiesto. Custom printed disc + title/tracklisting insert) 1. Silence - Airscape Remix Edit 3:482. Silence - DJ Tiesto In Search Of Sunrise Remix 11:363. Silence - Album Version 4:20