Note: "Evolved - Track 1" and "Series 9 - Track 1" were composed by Rip Van Hippy under the names "Diabet"[1] and "How Hip Is A Computer"[2], respectively.
"Series 9 - Track 2" is actually a song called "Tiny Little Engines" by "The Visitors", released under the album "Destination Goa 4" in 1997[3].
"Survivors - Track 2" is actually a song called "Traitor", released in the album "Pharmakoi/Distance Crunching Honchos With Echo Units" in 1997 by the Australian, formerly known band as "Re:fomation". They are now called "The Church"[4]
"Survivors - Track 3" was titled "Earth Blood Down" and was written for the game in 1998 by John Pin under the pseudonym Brain Tuner. Pin also wrote the song "Try (To find a good way to die)" for the soundtrack album release. He also A&R'd all tracks used on the game other than those written and produced by Gavin and Marshall Parker.