Strange Advance - Worlds Away. Sounds like Bowie with gobs of 4-Track Mellotron. The tremolo strings are probably real strings on the studio recording. Live, they used the 4-Track with a tremolo effect. (and gobs of dry ice fog and blue lights). Goosebump city.
http://www.youtube.com/watch?v=yEDw2P4Yjx0