专辑《The Essential Collection》歌曲列表：

• Dies Irae (Requiem)
• Agnus Dei (The Armed Man)
• Cantus: Song of Tears (Adiemus II - Journey Edit)
• Cantilena (The Journey)
• Sanctus (The Armed Man)
• Benedictus (The Armed Man)
• Hymn Before Action (The Armed Man)
• Pie Jesu (Requiem)
• Beyond The Century 跨越世纪
• karl jenkins adiemus