- 'tis Better To Recieve letra
- ...Only Dogs Hear (Here) letra
- A Hideous Nightmare Lie Upon The World letra
- Accord-o-matic letra
- Afraid Of letra
- An Evening At The Gentlemen's Club For Apes letra
- Arrows To Our Hearts letra
- Bells Dark Above Our Heads letra
- Brain Returns to Initial State letra
- Branch Breaker letra
- Breath Drops Out In Ice And Glass letra
- Burden letra
- Canto De Santos letra
- Christmas Eve Pts. 1-3 (alternate Version) letra
- Cinders Of The Simian Psyche letra
- Clenched Tight In The Fist Of God letra
- Close Your Eyes, Roll Back Into Your Head letra
- Common Species letra
- Crescent letra
- Death Rhymes letra
- Deserts In Your Eyes letra
- Flood I letra
- Flood II letra
- Gift letra
- Girth And Greed letra
- Grand Inversion letra
- Heel To Toe letra
- Hot Salvation letra
- In Your Name letra
- Jaws Of The Lion letra
- Love Is Bravery letra
- Lukeness Monster letra
- Mandied (Self: Reborn) letra
- Meditation In B Parts V & VI letra
- Poisoner letra
- Predators letra
- Procession Of The Wounded letra
- Radio Crackles Spill Down My Face letra
- Rape Athena letra
- Rats letra
- Regain Rejoin letra
- Resolving the De-Evolution Conflict letra
- Roar Of The Forest Rose To Thunder letra
- Rotten Primate letra
- Shadowed Hand letra
- Shuddering Earth letra
- Simian Alien Technology: Message Received letra
- Skullstorm letra
- Sleeping With Snakes letra
- Smoke Out Loud letra
- Something For The Mrs. letra
- Sonar Enlightenment Program letra
- Sonic Dust letra
- Sonic Wave Of Bees letra
- Test Result: Alien Ape Distress Signal letra
- The Bleeding Sun letra
- The Exploder Whale letra
- The Forking Path letra
- Three Ring Ocean Sideshow letra
- To Carry The Flame letra
- Valhalla letra
- Vipers letra
- Volcano letra
- Zozobra letra
Orden alfabético (Volver a las letras de Old Man Gloom en orden de album)