Year: 1999
Gregorian - Best - Chants & Mysteries (Album)
Gregorian - Chants & Mysteries (Earbook) (Album)
Gregorian - Christmas Chants - Best of 1990-2010 (Album)
Gregorian - Masters of Chant - Diamond Edition (Album)
Gregorian - Masters of Chant - Limited Repackaged Edition (Album)
Gregorian - Masters of Chant 8 (Album)
Gregorian - Masters of Chant Chapitre I - III (Album)
Gregorian - Masters of Chant Chapitre I Chapitre II (Album)
Gregorian - Masters of Chant Chapitre II (Album)
Gregorian - Masters of Chant Chapter I & II (Album)
Gregorian - Masters of Chant Chapter I - III (Album)
Gregorian - Masters of Chant in Santiago De Compostela (Album)
Gregorian - Masters of Chant: Chapitre II (Album)
Gregorian - Masters of Chant (Album)
Gregorian - Masters of Shant (Album)
Gregorian - The Best of Gregorian (Album)
Gregorian - The Dark Side - Special Rock Edition (Album)
Gregorian - Voice of God (Album)
CD PRO 1009 (Compilation)
Gregorian - Best of 1990-2010 (Compilation)
Gregorian - Greatest Hits (Compilation)
Gregorian - Hits 2005 (Compilation)
Gregorian - Masters of Chant - Favourites (Compilation)
Gregorian - Masters of Chant - The Platinum Collection (Compilation)
Gregorian - Music Box (Compilation)
Gregorian - Music Collection (Compilation)
Gregorian - Stairway to Heaven (A Non-Stop Mix Compilation) (Compilation)
Gregorian - The Best (Compilation)
Gregorian - The Complete Masters of Chant (Compilation)
Gregorian - The Essential Gregorian Masters of Chant (Compilation)
Gregorian - The Masterpieces - Decade I (Compilation)
Gregorian - The Masterpieces (Compilation)
Gregorian - The Sound of Heaven - The Best of Gregorian Chant (Compilation)
Gregorian - Video Anthology - Volume 1 (Compilation)
Lords of Mystery (Secret Love & Sacrifice) (Compilation)
Magic Voices 5 (Compilation)
Mysteria (Compilation)
Mystic Dreams (Compilation)
Mystic Spirits - Special Classic Edition 3 (Compilation)
Mystic Spirits Vol. 2 (Compilation)
Mystical Tales (The Sound of Warcraft III) (Compilation)
The Best of Mystera (Compilation)
Gregorian - Still Haven't Found What You're Looking For? (Maxi-Single)