GUMI ROCK is a compilation album by dmARTS. It contains 15 tracks, sung by GUMI, VY1 and VY2. GUMI is known as "BioCode:93" while the VY series was an inspiration for "BioCode:69". The setting is the "Dead Stock District".
The official album website is available here. The movie was made parmy and narration was done by Sawashiro Miyuki.
The album is purchasable on Amazon.