Vitalij Kuprij - Progression (2020)

Vitalij Kuprij - Keyboards, Piano, Songwriting (Artension, Ring of Fire, Trans-Siberian Orchestra, Ferrigno, Leal, Kuprij, ex-Book of Reflections, ex-Adagio, ex-Stygia, ex-Savatage (live), ex-Atlantis Rising)
Jon Doman - Drums (Ferrigno, Leal, Kuprij, ex-Francesco Fareri)
Dave Naccarelli - Bass

Guest/Session:
Tommy Vitaly - Guitars (lead,rhythm) (track 1) (Seven Gates, Tommy Vitaly, ex-Angels of Babylon, ex-Vitaly, ex-Mr. Eagle)
Michael Harris - Guitars (lead,rhythm) (track 2) (Darkology, Michael Harris, Thought Chamber, Arch Rival, ex-Counterpoint, ex-Surgeon, ex-Zanister, The Michael Harris Tranz-Fusion, ex-Leather)
Roger Staffelbach - Guitars (lead,rhythm) (track 3) (Artlantica, Artension, Roger Staffelbach's Angel of Eden, ex-Atlantis Rising)
Bill Hudson - Guitars (lead,rhythm)(track 4) (Circle II Circle, NorthTale, Doro (live), ex-Jon Oliva's Pain, ex-The Supremacy, Emphatic, I Am Morbid, ex-Aquaria, ex-Avian, ex-Cellador, ex-Power Quest, ex-U.D.O., ex-Kobra and the Lotus (live), ex-Nightrage (live), ex-Trans-Siberian Orchestra (live), ex-Vital Remains (live), ex-Epicurean (live), ex-Savatage (live), ex-Written in Blood, ex-Westfield Massacre)
Angus Clark - Guitars (lead,rhythm) (track 5) (Trans-Siberian Orchestra, Angus Clark, DareDevil Squadron)
Leonardo Porcheddu - Guitars (lead,rhythm) (track 7) (X-Hells, ex-Lord Brummell, ex-Concept)
Javier Leal - Guitars (lead,rhythm) (track 8) (Marco Ferrigno, Ferrigno, Leal, Kuprij)
Christian Münzner - Guitars (lead,rhythm) (tracks 6,9) (Alkaloid, Christian Muenzner, Eternity's End, Obscura, Paradox, Serious Black (live), Starchild (live), ex-Daemon's Gate, ex-Märchenwald, ex-Spawn of Possession, ex-Defeated Sanity, ex-Majesty, ex-Nader Sadek (live), ex-Nightrage (live), ex-Stormwarrior (live), ex-The New Black (live), ex-Civilization One, ex-Hatred, ex-Necrophagist, ex-Metalforce)