sentences:  Tracks 2 to 4 are each listed as part of the "Evolution Trilogy", which comprises a musical movement.A demo version of the lead track, "Austral Spectrum", had appeared on a 1999 compilation album.Eduardo Rivadavia of AllMusic wrote that "[the album] is so complex and original that it defies a summary definition, but one might describe it as a psychedelic-prog-soundtrack-death metal album."