| 14th Album | 2285 Entr'acte | 6:00 |
| A Better Life | A Change of Seasons (album) | A Change of Seasons (song) |
| A Dramatic Turn of Events | A Dramatic Turn of Events Tour | A Fortune in Lies |
| A Life Left Behind | A Mind Beside Itself | A New Beginning |
| A Nightmare to Remember | A Rite of Passage | A Saviour In the Square |
| A Sort of Homecoming | A Tempting Offer | A Vision |
| Act of Faythe | Afterlife | Along for the Ride |
| Anna Lee | Another Day (album) | Another Day (song) |
| Another Won | As I Am | Astonishing |
| Awake | Awake Demos | Begin Again |
| Behind the Veil | Beneath the Surface | Berklee College of Music |
| Black Clouds & Silver Linings | Blind Faith | Breaking All Illusions |
| Breaking the Fourth Wall | Bridges in the Sky | Brother, Can You Hear Me? |
| Build Me Up, Break Me Down | Burning My Soul | Canadian Rap |
| Caught in a Web | Chaos in Motion: 2007–2008 | Charlie Dominici |
| Chosen | Chris Cintron | Chris Collins |
| Cleaning Out the Closet | Constant Motion | Dark Side of the Moon |
| Derek Sherinian | Descent of the NOMACS | Digital Discord |
| Disappear | Distance Over Time | Dream Theater |
| Dream Theater's Discography | Dream Theater (album) | Dream Theater Tourography |
| Dream Theater Wiki | Dystopian Overture | East West Records |
| Endless Sacrifice | Enigma Machine | Erotomania |
| Falling Into Infinity | Falling Into Infinity Demos | False Awakening Suite |
| Far from Heaven | Forsaken | Forsaken EP |
| Four Degrees of Radio Edits | Gigantour (cd) | Graspop Festival 2002 |
| Greatest Hit (...and 21 Other Pretty Cool Songs) | Happy Holidays 2013 | Heaven's Cove |
| Hell's Kitchen | Hollow Years (album) | Hollow Years (song) |
| Honor Thy Father | Hymn of a Thousand Voices | I Walk Beside You |
| Illumination Theory | Images, Words and Beyond World Tour | Images and Tour |
| Images and Words | Images and Words: Live in Tokyo | Images and Words 15th Anniversary Performance |
| Images and Words Demos | In the Name of God | In the Presence of Enemies: The Heretic and the Dark Master |
| Innocence Faded | Inside Out Music | Instrumedley |
| International Fan Club Christmas CD | James LaBrie | John Hendricks |
| John Myung | John Petrucci | Jordan Rudess |
| July 4, 2011 Rome, Italy (Ippodromo Delle Capannelle) | Just Let Me Breathe | Kevin Moore |
| Learning to Live | Lie | Lie (album) |
| Lifting Shadows Off a Dream | Light Fuse and Get Away | Lines in the Sand |
| Liquid Tension Experiment | Liquid Tension Experiment (album) | Liquid Tension Experiment (band) |
| Live Scenes from New York | Live at Budokan | Live at Budokan 2017 |
| Live at Luna Park | Live at the Marquee | Lord Nafaryus |
| Los Angeles, California 5/18/98 | Losing Faythe | Lost Not Forgotten |
| Machine Chatter | Made in Japan | Maiden Heaven |
| Majesty Shows | Master of Puppets (album) | Meanstreak |
| Mechanic/MCA Records | Meta album cycle | Metropolis, Pt. 2: Scenes From a Memory |
| Metropolis 2000: Scenes from New York | Metropolis—Part I: "The Miracle and the Sleeper" | Mikael Åkerfeldt |
| Mike Mangini | Mike Portnoy | Misunderstood |
| Moment of Betrayal | My Last Farewell | Negative time |
| Never Enough | New Millennium | New York City 3/4/93 |
| Nightmare Cinema | November 14, 1989 | Octavarium |
| Octavarium (album) | Octavarium (song) | October 25, 1986 |
| October 4, 1992 | Old Bridge, New Jersey 12/14/96 | On the Backs of Angels |
| Once in a LIVEtime | Once in a LIVEtime Outtakes | Only a Matter of Time |
| Our New World | Outcry | Panic Attack |
| Peruvian Skies | Power Down | Progressive Nation 2008 |
| Prophets of War | Pull Me Under | Raise the Knife |
| Ravenskill | Raw Dog | Repentance |
| Roadrunner Records | Rush | Sacrificed Sons |
| Scarred | Scene Eight: The Spirit Carries On | Scene Five: Through Her Eyes |
| Scene Four: Beyond This Life | Scene Nine: Finally Free | Scene One: Regression |
| Scene Seven: I. The Dance of Eternity | Scene Seven: II. One Last Time | Scene Six: Home |
| Scene Three: I. Through My Words | Scene Three: II. Fatal Tragedy | Scene Two: I. Overture 1928 |
| Scene Two: II. Strange Déjà Vu | Scenes from a World Tour (album) | Schmedley Wilcox |
| Score | September 25, 1986 | Six Degrees of Inner Turbulence |
| Six Degrees of Inner Turbulence (album) | Six Degrees of Inner Turbulence (song) | Sons of Apollo |
| Space-Dye Vest | Stargazer | Status Seeker |
| Steve Stone | Stream of Consciousness | Stream of Consciousness (album) |
| Surrender to Reason | Surrounded | Systematic Chaos |
| Take Away My Pain | Take the Time | Taste the Memories |
| The ATCO Demos | The Answer | The Answer Lies Within |
| The Astonishing | The Best of Times | The Bigger Picture |
| The Count of Tuscany | The Dark Eternal Night | The Enemy Inside |
| The Gift of Music | The Glass Prison | The Great Debate |
| The Hovering Sojourn | The Killing Hand | The Looking Glass |
| The Majesty Demos | The Majesty Symbol | The Making of Falling Into Infinity |
| The Making of Scenes from a Memory | The Ministry of Lost Souls | The Mirror |
| The Number of the Beast (album) | The Ones Who Help to Set the Sun | The Path That Divides |
| The Road to Revolution | The Root of All Evil | The Shattered Fortress |
| The Silent Man (album) | The Silent Man (song) | The Twelve-Step Suite |
| The Walking Shadow | The X Aspect | These Walls |
| This Dying Soul | This is the Life | Three Days |
| Through Her Eyes (album) | To Live Forever | Tokyo, Japan 10/28/95 |
| Train of Thought | Train of Thought Instrumental Demos | Trial of Tears |
| Uncovered 2003-2005 | Under a Glass Moon | Vacant |
| Voices | Wait for Sleep | What Did They Say? |
| When Dream and Day Reunite | When Dream and Day Unite | When Dream and Day Unite Demos |
| When Dream and Tour Unite | When Your Time Has Come | Whispers on the Wind |
| Winter Rose (band) | Winterspell | Wither |
| You Not Me | YtseJam Records | Ytse Jam |
