Ancient Machine

300px Ancient Machine is a song included in the Halo 2 Original Soundtrack. The "Ancient Machine" is thought to refer to different Forerunner constructs. The song plays on the Level The Oracle. It has some percussion as well as vocals as a lead. It is mostly electronic however, because this is the only way to achieve the eerie mood to it. Its length is 1 minute and 38.716 seconds (1:38.716). Strangely enough, when played backwards, it is almost exactly the same.