|  | Rick Wakeman |  | Into Orbit (2003) [Compilation] |  |  | Progressive Rock, Symphonic Prog | - | 0 | 
|  | Rick Wakeman |  | Out There (2003) |  |  | Progressive Rock, Symphonic Prog | - | 0 | 
|  | Diablo Swing Orchestra |  | Borderline Hymns (2003) [EP] |  |  | Avant-garde Metal, Progressive Metal | - | 0 | 
|  | Underworld |  | Dinosaur Adventure 3D (2003) [Single] |  |  | Progressive House | - | 0 | 
|  | The Dillinger Escape Plan |  | Cursed, Unshaven and Misbehavin': Live Infinity (2003) [Live] |  |  | Mathcore, Progressive Metal | - | 0 | 
|  | Gordian Knot |  | Emergent (2003) |  |  | Progressive Rock, Jazz Fusion | - | 0 | 
|  | Artension |  | New Discovery (2003) |  |  | Progressive Metal | - | 0 | 
|  | Focus |  | Live in America (2003) [Video] |  |  | Progressive Rock, Symphonic Prog, Hard Rock, Jazz Fusion | - | 0 | 
|  | OSI |  | Office Of Strategic Influence (2003) |  |  | Progressive Metal, Progressive Rock | - | 0 | 
|  | Lost Horizon |  | A Flame to the Ground Beneath (2003) |  |  | Progressive Metal, Power Metal | 90 | 2 | 
|  | Rush |  | The Spirit of Radio: Greatest Hits 1974-1987 (2003) [Compilation] |  |  | Progressive Rock, Hard Rock | - | 0 | 
|  | Strawbs |  | 20th Century Masters - the Millennium Collection: the Best of Strawbs (2003) [Compilation] |  |  | Progressive Rock, Folk Rock, Progressive Folk | - | 0 | 
|  | King Crimson |  | The Power to Believe Tour Box (2003) [Video] |  |  | Progressive Rock | - | 0 | 
|  | Gojira |  | Indians (2003) [Single] |  |  | Progressive Death Metal, Groove Metal | - | 0 | 
|  | Procol Harum |  | The Well's on Fire (2003) |  |  | Progressive Rock, Rock, Art Rock | - | 0 | 
|  | Voivod |  | Voivod (2003) |  |  | Thrash Metal, Progressive Metal | - | 0 | 
|  | King Crimson |  | The Power to Believe (2003) |  |  | Progressive Rock | - | 0 | 
|  | High on Fire / Mastodon |  | Mastodon / High on Fire (2003) [Split] |  |  | Progressive Sludge Metal, Stoner Metal, Doom Metal | - | 0 | 
|  | Evergrey |  | Recreation Day (2003) |  |  | Dark Metal, Progressive Metal, Power Metal | - | 0 | 
|  | Andromeda |  | II=I (2003) |  |  | Progressive Metal | - | 0 | 
|  | The Devin Townsend Band |  | Accelerated Evolution (2003) |  |  | Progressive Metal | - | 0 | 
|  | Amorphis |  | Day of Your Beliefs (2003) [Single] |  |  | Progressive Hard Rock | - | 0 | 
|  | Electric Light Orchestra |  | The Essential Electric Light Orchestra (2003) [Compilation] |  |  | Progressive Rock, Pop Rock, Art Rock, Symphonic Prog | - | 0 | 
|  | Gong |  | Radio Gnome Invisible Part II / Shamal (2003) [Compilation] |  |  | Canterbury Scene, Space Rock, Psychedelic Rock, Progressive Rock, Jazz-Rock, Jazz Fusion | - | 0 | 
|  | Gojira |  | The Link (2003) |  |  | Progressive Death Metal, Groove Metal | - | 0 | 
|  | Opeth |  | Damnation (2003) |  |  | Progressive Rock | 85 | 2 | 
|  | Star One |  | Live On Earth (2003) [Live] |  |  | Progressive Metal | - | 0 | 
|  | Circle II Circle |  | Watching In Silence (2003) |  |  | Progressive Metal, Power Metal | - | 0 | 
|  | Protest the Hero |  | A Calculated Use of Sound (2003) [EP] |  |  | Progressive Metalcore | - | 0 | 
|  | Shai Hulud |  | That Within Blood Ill-Tempered (2003) |  |  | Progressive Metalcore | - | 0 |