| vocals |
|---|
| 1998-04 | Deconstruction of Relying on One | | lead vocals | Defy | 3:01 |
| 1998-04 | Faith | | lead vocals | Defy | 3:26 |
| 1998-04 | Fissure | | lead vocals | Defy | 2:15 |
| 1999-10-02 – 1999-10-10 | 12/23/93 | | lead vocals | Poison the Well | 3:07 |
| 1999-10-02 – 1999-10-10 | A Wish for Wings That Work | | lead vocals | Poison the Well | 3:33 |
| 1999-10-02 – 1999-10-10 | Artist's Rendering of Me | | lead vocals | Poison the Well | 3:20 |
| 1999-10-02 – 1999-10-10 | Mid Air Love Message | | lead vocals | Poison the Well | 3:09 |
| 1999-10-02 – 1999-10-10 | My Mirror No Longer Reflects | | lead vocals | Poison the Well | 3:19 |
| 1999-10-02 – 1999-10-10 | Nerdy | | lead vocals | Poison the Well | 2:44 |
| 1999-10-02 – 1999-10-10 | Not Within Arms Length | | lead vocals | Poison the Well | 2:27 |
| 1999-10-02 – 1999-10-10 | Slice Paper Wrists | | lead vocals | Poison the Well | 3:56 |
| 1999-10-02 – 1999-10-10 | To Mandate Heaven | | lead vocals | Poison the Well | 2:40 |
| 2000-04-01 – 2000-04-04 | Milk and Mice Pocketknife | | additional | Twelve Tribes | 4:48 |
| 2000-04-01 – 2000-04-04 | Surprise, You're Dead | | background vocals | Twelve Tribes | 2:27 |
| 2000-06-26 | A Wish for Wings That Work (live) | | lead vocals | Poison the Well | 4:28 |
| 2000-06-26 | Artist's Rendering of Me (live) | | lead vocals | Poison the Well | 3:31 |
| 2000-10 | Sticks and Stones Never Made Sense | | | Poison the Well | 3:13 |
| 2000-10 | Today | | lead vocals | Poison the Well | 3:18 |
| 2001-10-15 – 2001-11-25 | Botchla | Jeff | lead vocals | Poison the Well | 3:10 |
| 2001-10-15 – 2001-11-25 | Horns and Tails | Jeff | lead vocals | Poison the Well | 2:43 |
| 2001-10-15 – 2001-11-25 | Lazzaro | Jeff | lead vocals | Poison the Well | 3:00 |
| 2001-10-15 – 2001-11-25 | Moments Over Exaggerate | Jeff | lead vocals | Poison the Well | 3:15 |
| 2001-10-15 – 2001-11-25 | Parks and What You Meant to Me | Jeff | lead vocals | Poison the Well | 3:48 |
| 2001-10-15 – 2001-11-25 | Pieces of You in Me | Jeff | lead vocals | Poison the Well | 3:01 |
| 2001-10-15 – 2001-11-25 | Rings from Corona | Jeff | lead vocals | Poison the Well | 2:47 |
| 2001-10-15 – 2001-11-25 | Sticks and Stones Never Made Sense | Jeff | lead vocals | Poison the Well | 3:35 |
| 2001-10-15 – 2001-11-25 | Turn Down Elliot | Jeff | lead vocals | Poison the Well | 4:00 |
| 2002-05 | Botchla | | lead vocals | Poison the Well | 3:06 |
| A) The View From Here Is... B) A Brick Wall | Jeffrey | | Poison the Well | 3:13 |
| Antarctica Inside Me | | | Poison the Well | 5:08 |
| Apathy Is a Cold Body | Jeffrey | | Poison the Well | 5:00 |
| Are You Anywhere? | | | Poison the Well | 5:25 |
| Breathings for the Birds | Jeffrey Moreira | lead vocals | Poison the Well | 3:41 |
| Celebrate the Pyre | | | Poison the Well | 3:04 |
| Cinema | | | Poison the Well | 4:22 |
| Composer Meet Corpse | Jeffrey Moreira | lead vocals | Poison the Well | 2:31 |
| Crystal Lake | Jeffrey | | Poison the Well | 2:51 |
| Exist Underground | | | Poison the Well | 3:36 |
| For a Bandaged Iris | Jeffrey | | Poison the Well | 4:28 |
| Ghostchant | Jeffrey | | Poison the Well | 3:33 |
| I've Heard It Before | Jeff Moreira | lead vocals | Rollins Band feat. Jeffrey Moreira | 1:38 |
| Letter Thing | Jeffrey Moreira | lead vocals | Poison the Well | 2:28 |
| Loved Ones (Excerpts From Speeches of How Great You Were, and Will Never Be Again) | Jeffrey | | Poison the Well | 3:54 |
| Makeshift Clay You | | | Poison the Well | 2:40 |
| Meeting Again for the First Time | Jeffrey | | Poison the Well | 4:18 |
| Nagaina | Jeffrey Moreira | lead vocals | Poison the Well | 4:11 |
| Naive Monarch | Jeffrey Moreira | lead vocals | Poison the Well | 2:24 |
| Pamplemousse | | | Poison the Well | 5:51 |
| Pleading Post | Jeffrey Moreira | lead vocals | Poison the Well | 3:36 |
| Pleasant Bullet | Jeffrey | | Poison the Well | 3:36 |
| Prematurito El Baby | Jeffrey Moreira | lead vocals | Poison the Well | 2:54 |
| Riverside | Jeffrey Moreira | lead vocals | Poison the Well | 3:03 |
| Slow Good Morning | Jeffrey Moreira | lead vocals | Poison the Well | 5:05 |
| Sounds Like the End of the World | Jeffrey | | Poison the Well | 4:24 |
| Sparks It Will Rain | | | Poison the Well | 4:08 |
| The First Day of My Second Life | Jeffrey Moreira | lead vocals | Poison the Well | 4:53 |
| The Notches That Create Your Headboard | Jeffrey Moreira | lead vocals | Poison the Well | 2:30 |
| The Realist | Jeffrey | | Poison the Well | 3:50 |
| When You Lose I Lose as Well | | | Poison the Well | 3:30 |
| Who Doesn't Love a Good Dismemberment? | | | Poison the Well | 4:05 |
| Without You and One Other I Am Nothing | | | Poison the Well | 5:34 |
| You Will Not Be Welcomed | Jeffrey Moreira | lead vocals | Poison the Well | 4:46 |
| Zombies Are Good for Your Health | Jeffrey | | Poison the Well | 2:24 |
| composed |
|---|
| Karsey Street | | | | |
| wrote |
|---|
| Botchla | | | | |
| Horns and Tails | | | | |
| Lazzaro | | | | |
| Moments Over Exaggerate | | | | |
| Parks and What You Meant to Me | | | | |
| Pieces of You in Me | | | | |
| Rings From Corona | | | | |
| Sticks and Stones Never Made Sense | | | | |
| Turn Down Elliot | | | | |
