The full cast of vocalists for these first two albums (in order of appearance) is:

Mike Andersson (Tungsten, Cloudscape,...)
Nick Holleman (Powerized, Methusalem,...)
Sindre Nedland (In Vain)
David Marcelis (Thorium, Lord Volture, Black Knight,...)
Thomas Vikström (Therion,...)
Audrey Dandeville (Irradiance)
Roy Khan (Conception, Kamelot)
Benny Willaert (23 Acez, Thorium)
Henrik Fevre (Anubis Gate)
Arno Menses (Subsignal, Sieges Even)
Fabio Lione (Angra, Rhapsody, Vision Divine,...)
Jeffrey Rademakers (Spartan)
Lance King (Balance of Power, Pyramaze, solo,...)
Louis Soenens (Fields of Troy)
Georg Neuhauser (Serenity)
John Yelland (Judicator, Principium, Disforia, Dire Peril,...)
Anneleen Olbrechts (Thorium)

Ranging from classic Metal through modern Progressive Metal, to acoustic music, Prog Rock, Power Metal and beyond, and mixed and mastered by Simone Mularoni (DGM, Michael Romeo, Ray Alder,...) at Domination Studios, these new records offer a huge collection of tracks that burst with energy, melody and atmosphere – and feature a monumental cast of vocalists with wildly differing styles. Though not interconnected through a single concept or storyline, the albums take the listener on a marathon journey across dozens of songs that boast rich production values, real strings, choirs and orchestrations, and a grand gathering of renowned and stellar singers.