«Cave Principle» song by Gamma RayThe track «Cave Principle» appears in: Lust for Life Live Date: 2004/05/25 Track: 14 / 16 Insanity & Genius [Japan] Date: 2002/06/18 Track: 4 / 14 Insanity & Genius Date: 1998/10/27 Track: 4 / 11 Insanity & Genius [Bonus Tracks] Date: 2003/03/18 Track: 4 / 14
![Insanity & Genius [Japan]](https://www.sortmusic.com/covers_amG/gamma-ray/2002_160_160_Insanity%2520%2526%2520Genius.jpg)
![Insanity & Genius [Bonus Tracks]](https://www.sortmusic.com/covers_yaG/gamma-ray/2003_170_170_Insanity%2520%2526%2520Genius%2520%255BBonus%2520Tracks%255D.jpg)