The Essentia 2000 for Orchestra
From ONISM1999
The Essentia 2000 for Orchestra is the song that plays when first meeting The Essentia 2000 during Chapter 4. It was composed and produced by Andrew Allanson. It uses the motif of Puzzle Pieces.
Essentia Vocalise is a version of this track with vocals only.
It was featured on the YIIK: A Postmodern RPG Official Soundtrack.