Soundtrack for the Voices in My Head: Volume 02 is the second production-based (fourth overall) studio album by the American electronic rock artist, Celldweller.

02 is a production based album intended for film, TV, and video game licensing.

[1] A four-minute excerpt of the track "Adrift on Celestial Seas" was released on iTunes on March 1, 2010 as part of Klayton's "Fixtape" mix.

[9] Initially, two songs had been mentioned to be on Chapter 02, namely "Senorita Bonita" of which a demo version was released with the Groupees Unreleased EP and "Earth Scraper".

[4] Those who took part in the Celldweller Hot Topic T-shirt contest received an exclusive free download code before the official release date.