| instruments |
|---|
| 1999-04 – 1999-06 | Black Dragon | | drums (drum set) | Luca Turilli | 5:06 |
| 1999-04 – 1999-06 | Kings of the Nordic Twilight | | drums (drum set) | Luca Turilli | 11:37 |
| 1999-04 – 1999-06 | Legend of Steel | | drums (drum set) | Luca Turilli | 5:21 |
| 1999-04 – 1999-06 | Lord of the Winter Snow | | drums (drum set) | Luca Turilli | 6:06 |
| 1999-04 – 1999-06 | Princess Aurora | | drums (drum set) | Luca Turilli | 3:47 |
| 1999-04 – 1999-06 | The Ancient Forest of Elves | | drums (drum set) | Luca Turilli | 4:44 |
| 1999-04 – 1999-06 | Throne of Ice | | drums (drum set) | Luca Turilli | 1:51 |
| 1999-04 – 1999-06 | To Magic Horizons | | drums (drum set) | Luca Turilli | 1:21 |
| 1999-04 – 1999-06 | Warrior’s Pride | | drums (drum set) | Luca Turilli | 3:47 |
| 1999-04 – 1999-06 | Where Heroes Lie | | drums (drum set) | Luca Turilli | 4:25 |
| [Rannveig's Lullaby] | | drums (drum set) | Luca Turilli | 2:13 |
| Aina Overture | | electric guitar | Aina | 2:01 |
| All That I Am | | drums (drum set) | Amanda Somerville | 5:10 |
| Another Angel Down | Robert Hunecke | bass guitar | Avantasia | 5:30 |
| Another Angel Down | | bass guitar | Avantasia | 5:25 |
| Avantasia | | bass guitar | Avantasia | 5:08 |
| Bow to the Ego | | drums (drum set) | Trillium | 4:52 |
| Carnival | | drums (drum set) | Amanda Somerville | 4:10 |
| Clean | | drums (drum set) | Amanda Somerville | 3:29 |
| Coward | | drums (drum set) | Trillium | 4:19 |
| Farewell | | bass guitar | Avantasia | 6:15 |
| Flight of Torek | | electric guitar and solo | Aina | 5:21 |
| Get Me | | drums (drum set) | Amanda Somerville | 4:41 |
| I Don’t Believe in Your Love | | bass guitar | Avantasia | 6:50 |
| Inner Whore | | drums (drum set) | Amanda Somerville | 3:42 |
| Inside | | bass guitar | Avantasia | 7:01 |
| Into the Dissonance | | drums (drum set) | Trillium | 4:11 |
| Justifiable Casualty | | drums (drum set) | Trillium | 5:32 |
| Knight of Immortal Fire | | drums (drum set) | Luca Turilli | 5:11 |
| Lalae Amêr | | electric fretless guitar | Aina | 4:13 |
| Lalae Amêr | | piano | Aina | 4:13 |
| Lalae Amêr | | electric guitar | Aina | 4:13 |
| Lost in Space | | bass guitar | Avantasia | 3:54 |
| Love Is an Illusion | | drums (drum set) | Trillium | 3:28 |
| Machine Gun | | drums (drum set) | Trillium | 5:35 |
| Mayday | | drums (drum set) | Amanda Somerville | 4:42 |
| Mistaken | | drums (drum set) | Trillium | 4:39 |
| Moth | | drums (drum set) | Amanda Somerville | 3:52 |
| My Song for You | | drums (drum set) | Amanda Somerville | 3:54 |
| Naschtok Is Born | | electric guitar | Aina | 4:40 |
| Naschtok Is Born | | keyboard | Aina | 4:40 |
| No Return | | bass guitar | Avantasia | 5:04 |
| Oriana’s Wrath | | electric guitar | Aina | 6:12 |
| Oriana’s Wrath | | piano | Aina | 6:12 |
| Path of Least Resistance | | drums (drum set) | Trillium | 4:51 |
| Point of Safe Return | | drums (drum set) | Amanda Somerville | 4:08 |
| Prelude | | bass guitar | Avantasia | 1:26 |
| Promised Land | | bass guitar | Avantasia | 5:37 |
| Purge | | drums (drum set) | Trillium | 4:37 |
| Rape of Oria | | electric guitar | Aina | 3:04 |
| Rape of Oria | | keyboard | Aina | 3:04 |
| Rape of Oria | | piano | Aina | 3:04 |
| Reach Out for the Light | | bass guitar | Avantasia | 6:24 |
| Rebellion | | electric guitar | Aina | 4:01 |
| Restoration | | keyboard | Aina | 4:55 |
| Scream It | | drums (drum set) | Trillium | 5:32 |
| Serpents in Paradise | | bass guitar | Avantasia | 7:26 |
| Shelter From the Rain | | bass guitar | Avantasia | 7:03 |
| Sign of the Cross / The Seven Angels (medley) | | bass guitar | Avantasia | 17:54 |
| Slow It Down | | drums (drum set) | Trillium | 4:23 |
| Sometimes | | drums (drum set) | Amanda Somerville | 4:24 |
| Son of Sorvahr | | electric guitar | Aina | 2:59 |
| Talon’s Last Hope | | keyboard | Aina | 6:10 |
| Talon’s Last Hope | | electric guitar | Aina | 6:10 |
| The Scarecrow | | bass guitar | Avantasia | 11:53 |
| The Siege of Aina | | keyboard | Aina | 6:50 |
| The Siege of Aina | | electric guitar | Aina | 6:50 |
| The Story Ain’t Over | | bass guitar | Avantasia | 5:29 |
| The Toy Master | | bass guitar | Avantasia | 6:26 |
| Twisted Mind | | bass guitar | Avantasia | 6:42 |
| Utter Descension | | drums (drum set) | Trillium | 4:17 |
| Windows | | drums (drum set) | Amanda Somerville | 4:51 |
| orchestrated |
|---|
| Adyta (orchestral version) | | | Epica | 1:30 |
| Adyta (The Neverending Embrace) | | | Epica | 1:27 |
| Basic Instinct | | | Epica | 4:09 |
| Cry for the Moon (orchestral version) | | | Epica | 6:42 |
| Cry for the Moon (single version) | | | Epica | 3:31 |
| Cry for the Moon (The Embrace That Smothers, Part IV) | | | Epica | 6:45 |
| Façade of Reality (The Embrace That Smothers, Part V) | | | Epica | 8:12 |
| Feint | | | Epica | 4:19 |
| Feint (orchestral version) | | | Epica | 4:21 |
| Feint (piano version) | | | Epica | 4:55 |
| Illusive Consensus | | | Epica | 5:00 |
| Illusive Consensus (orchestral version) | | | Epica | 5:04 |
| Lalae Amêr | | | Aina | 4:13 |
| Restoration | | | Aina | 4:55 |
| Run for a Fall | | | Epica | 6:32 |
| Run for a Fall (orchestral version) | | | Epica | 6:28 |
| Run for a Fall (single version) | | | Epica | 4:29 |
| Seif al Din (The Embrace That Smothers, Part VI) | | | Epica | 5:48 |
| Sensorium | | | Epica | 4:48 |
| Sensorium (orchestral version) | | | Epica | 4:55 |
| Serendipity | | | Aina | 4:04 |
| Talon’s Last Hope | | | Aina | 6:10 |
| The Phantom Agony | | | Epica | 9:01 |
| The Phantom Agony (orchestral version) | | | Epica | 9:02 |
| The Phantom Agony (single version) | | | Epica | 4:34 |
| Triumph of Defeat | | | Epica | 3:54 |
| Veniality | | | Epica | 4:38 |
| Veniality (orchestral version) | | | Epica | 4:35 |
| vocals |
|---|
| Across the Highlands | | choir vocals and guest | Kamelot | 3:47 |
| Another Angel Down | Robert Hunecke | background vocals | Avantasia | 5:30 |
| Another Angel Down | | background vocals | Avantasia | 5:25 |
| Anthem | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 4:24 |
| Ashes to Ashes | | choir vocals and guest | Kamelot | 3:58 |
| Avantasia | | background vocals | Avantasia | 5:08 |
| Blücher | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 4:03 |
| Continuum | | choir vocals and guest | Kamelot | 4:17 |
| Continuum | | choir vocals and guest | Kamelot | 1:53 |
| Dear Editor | | background vocals and guest | Kamelot | 1:18 |
| Don’t You Cry | | choir vocals and guest | Kamelot | 4:18 |
| Dragonland's Rivers | | choir vocals [The Epic Choir] | Rhapsody | 3:44 |
| EdenEcho | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 4:13 |
| Elgard's Green Valleys | | choir vocals [The Epic Choir] | Rhapsody | 2:19 |
| Elizabeth: I. Mirror Mirror | | choir vocals and guest | Kamelot | 4:22 |
| Elizabeth: II. Requiem for the Innocent | | choir vocals and guest | Kamelot | 3:46 |
| Elizabeth: III. Fall From Grace | | choir vocals and guest | Kamelot | 4:21 |
| Erian's Mystical Rhymes / The White Dragon's Order | | choir vocals [The Epic Choir] | Rhapsody | 10:31 |
| Falling Like the Fahrenheit | | choir vocals and guest | Kamelot | 5:06 |
| Farewell | | background vocals | Avantasia | 6:15 |
| Flight of Torek | | background vocals | Aina | 5:21 |
| Forever | | choir vocals and guest | Kamelot | 4:08 |
| Ghost Opera | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 4:06 |
| Ghost Opera | | choir vocals and guest | Kamelot | 4:11 |
| Grace | | choir vocals and guest | Kamelot with Apollo Papathanasio & Niclas Engelin | 3:25 |
| Guardiani del destino | | choir vocals [The Epic Choir] | Rhapsody | 5:51 |
| House on a Hill | | background vocals and guest | Kamelot | 4:15 |
| Hunter’s Season | | background vocals and guest | Kamelot | 5:34 |
| I Don’t Believe in Your Love | | background vocals | Avantasia | 6:50 |
| If Tomorrow Came | | background vocals and guest | Kamelot | 3:55 |
| Inside | | background vocals | Avantasia | 7:01 |
| Karma | | choir vocals and guest | Kamelot | 5:13 |
| Lost in Space | | background vocals | Avantasia | 3:54 |
| Love You to Death | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 5:13 |
| Making of the Clip "Unholy Warcry" | | choir vocals [The Epic Choir] | Rhapsody | 4:42 |
| Making of This Album | | choir vocals [The Epic Choir] | Rhapsody | 15:24 |
| Manus Dei | | choir vocals and guest | Kamelot | 2:11 |
| Mourning Star | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 4:37 |
| My Confession | | choir vocals and guest | Kamelot | 4:33 |
| My Train of Thoughts | | background vocals and guest | Kamelot | 4:07 |
| Necropolis | | background vocals and guest | Kamelot | 4:18 |
| Never Forgotten Heroes | | choir vocals [The Epic Choir] | Rhapsody | 5:32 |
| Nightfall on the Grey Mountains | | choir vocals [The Epic Choir] | Rhapsody | 7:20 |
| No Return | | background vocals | Avantasia | 5:04 |
| Once and Future King | | choir vocals and guest | Kamelot | 4:26 |
| Once Upon a Time | | background vocals and guest | Kamelot | 3:48 |
| Poetry for the Poisoned, Part I: Incubus | | background vocals and guest | Kamelot | 2:57 |
| Poetry for the Poisoned, Part II: So Long | | background vocals and guest | Kamelot | 3:24 |
| Poetry for the Poisoned, Part III: All Is Over | | background vocals and guest | Kamelot | 1:03 |
| Poetry for the Poisoned, Part IV: Dissection | | background vocals and guest | Kamelot | 1:58 |
| Prelude | | background vocals | Avantasia | 1:26 |
| Prodigal Son | | choir vocals and guest | Kamelot | 8:52 |
| Promised Land | | background vocals | Avantasia | 5:37 |
| Reach Out for the Light | | background vocals | Avantasia | 6:24 |
| Rule the World | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 3:40 |
| Sacred Power of Raging Winds | | choir vocals [The Epic Choir] | Rhapsody | 10:06 |
| Sacrimony (Angel of Afterlife) | | choir vocals and guest | Kamelot | 4:39 |
| Seal of Woven Years | | background vocals and guest | Kamelot | 5:12 |
| Serendipity | | background vocals | Aina | 4:04 |
| Serpents in Paradise | | background vocals | Avantasia | 7:26 |
| Shadows of Death | | choir vocals [The Epic Choir] | Rhapsody | 8:13 |
| Shelter From the Rain | | background vocals | Avantasia | 7:03 |
| Sign of the Cross / The Seven Angels (medley) | | background vocals | Avantasia | 17:54 |
| Silence of the Darkness | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 3:43 |
| Silverthorn | | choir vocals and guest | Kamelot | 4:51 |
| Solitaire | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 1:00 |
| Solitaire | | choir vocals and guest | Kamelot | 4:56 |
| Song for Jolee | | choir vocals and guest | Kamelot | 4:33 |
| Talon’s Last Hope | | background vocals | Aina | 6:10 |
| Temples of Gold | | choir vocals and guest | Kamelot | 4:12 |
| The Art Work | | choir vocals [The Epic Choir] | Rhapsody | 3:25 |
| The Dark Secret: I. The Ancient Prophecy / II. Ira Divina | | choir vocals [The Epic Choir] | Rhapsody | 4:13 |
| The Great Pandemonium | | background vocals and guest | Kamelot | 4:22 |
| The Human Stain | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 4:01 |
| The Last Angels’ Call | | choir vocals [The Epic Choir] | Rhapsody | 4:37 |
| The Light I Shine on You | | choir vocals and guest | Kamelot | 4:15 |
| The Magic of the Wizard’s Dream (album version) | | choir vocals [The Epic Choir] | Rhapsody feat. Christopher Lee | 4:26 |
| The Pendulous Fall | | choir vocals and guest | Kamelot | 3:58 |
| The Scarecrow | | background vocals | Avantasia | 11:53 |
| The Spell | | choir vocals and guest | Kamelot | 4:21 |
| The Story Ain’t Over | | background vocals | Avantasia | 5:29 |
| The Toy Master | | background vocals | Avantasia | 6:26 |
| The Zodiac | | background vocals and guest | Kamelot | 4:00 |
| Together | | choir vocals and guest | Lunatica | 4:02 |
| Torn | | choir vocals and guest | Kamelot | 3:51 |
| Twisted Mind | | background vocals | Avantasia | 6:42 |
| Unholy Warcry | | choir vocals [The Epic Choir] | Rhapsody | 5:53 |
| Unholy Warcry - EP Version | | choir vocals [The Epic Choir] | Rhapsody | 4:50 |
| Unholy Warcry - Epic Version | | choir vocals [The Epic Choir] | Rhapsody | 10:36 |
| Unholy Warcry - Short Version | | choir vocals [The Epic Choir] | Rhapsody | 4:17 |
| Up Through the Ashes | | choir vocals [Ghost Opera Choir] and guest | Kamelot | 4:59 |
| Veritas | | choir vocals and guest | Kamelot | 4:34 |
| Where the Wild Roses Grow | | background vocals and guest | Kamelot | 3:59 |
| Wings of Despair | | choir vocals and guest | Kamelot | 4:32 |
| vocals |
|---|
| Dawn of Victory | | choir vocals [epic choirs] and guest | Rhapsody | |
| Ghost Opera | | choir vocals [Ghost Opera Choir] | Kamelot | |
| The Mystery of Time: A Rock Epic | | background vocals | Avantasia | |
| composed |
|---|
| Aina Overture | | | | |
| Flight of Torek | | | | |
| Lalae Amêr | | | | |
| Naschtok is Born | | | | |
| Oriana’s Wrath | | | | |
| Rape of Oria | | | | |
| Rebellion | | | | |
| Restoration | | | | |
| Serendipity | | | | |
| Son of Sorvahr | | | | |
| Talon’s Last Hope | | | | |
| The Siege of Aina | | | | |
| Ve Toúra Sol (Rape of Oria) (Ainae version) | | | | |
