Arjen Anthony Lucassen率いるメタル・オペラ・プロジェクトの8th。今回も4章仕立ての全42曲をCD2枚組に封入・・・と、聴き手の集中力を要求してくる。個々の楽曲云々というより「約90分間の壮大なサウンドスケープ」と考えればメチャ心地良い。

《GUEST MUSICIANS》
Vocalists：
JB (GRAND MAGUS) as The Teacher
Sara Squadrani (ANCIENT BARDS) as The Girl
Michael Mills (TOEHIDER) as The Father
Cristina Scabbia (LACUNA COIL) as The Mother
Tommy Karevik (KAMELOT, SEVENTH WONDER) as The Prodigy
Marco Hietala (NIGHTWISH, TAROT) as The Rival
John Wetton (ASIA, KING CRIMSON) as The Psychiatrist

Instrumentalists：
Ed Warby (HAIL OF BULLETS, GOREFEST) – drums
Rick Wakeman (YES) – keyboards
Keith Emerson (EMERSON LAKE AND PALMER) – keyboards
Jordan Rudess (DREAM THEATER) – keyboards
Steve Hackett (GENESIS) – lead guitar
Troy Donockley (NIGHTWISH) – Whistles, Uilleann pipes
Ben Mathot (DIS) –violin
Maaike Peterse (KINGFISHER SKY) – cello
Jeroen Goossens (FLAIRCK) – flute, bass flute, piccolo, bamboo flute and contrabass flute
Siddharta Barnhoorn – orchestrations
Michael Mills (TOEHIDER) – Irish Bouzouki
Wilmer Waarbroek – backing vocals
Arjen Anthony Lucassen – electric and acoustic guitars, bass guitar, mandolin, analog synthesizers, Hammond, Solina Strings