Sigma Lyrics — by Popularity
| 1 | Follow the Sign |
| 2 | Tears |
| 3 | Aria of Vendetta |
| 4 | Eagle's Den |
| 5 | End of Time |
| 6 | Fading Memories |
| 7 | Four Directions |
| 8 | Guardians |
| 9 | I Live If You |
| 10 | King of the Nightmares |
| 11 | Lady of the Tempest |
| 12 | Land of Freedom |
| 13 | Legacy |
| 14 | Maniac |
| 15 | Mighty Sword |
| 16 | Minded Walls |
| 17 | New Brave World |
| 18 | Pride and Forgiveness |
| 19 | S. O. S. |
| 20 | The Blind Man |
| 21 | The Bread and the Iron |
| 22 | Until Tomorrow |
| 23 | Win or Lose |
