★2005年發行第八張專輯《Octavarium》
★平衡2003年專輯《Train Of Thought》帶給樂迷沈重的金屬感
★以往歌曲以長時間為主，這次要挑戰此一公式，讓歌曲更為精簡
| 編號 | 曲名 |
|---|---|
| 1. | The Root Of All Evil |
| 2. | The Answer Lies Withi |
| 3. | These Walls |
| 4. | I Walk Beside You |
| 5. | Panic Attack |
| 編號 | 曲名 |
|---|---|
| 1. | Never Enough |
| 2. | Sacrificed Sons |
| 3. | Octavarium "I. Someone Like Him" "II. Medicate (Awakening)" "III. Full Circle" "IV. Intervals" "V. Razor's Edge" |