Pi Soundtrack Various artists 21 Jul 1998 LP ? Includes songs by Clint Mansell, Orbital, Autechre, Aphex Twin, Roni Size, Massive Attack, David Holmes, Gus Gus, Banco de Gaia, Psilonaut, Spacetime Continuum. Thirteen tracks total. 12. A low frequency inversion field (Spacetime Continuum) 00:00