Timo Tolkki
Among the metal artists who have contributed material to the album are Timo Tolkki (ex Stratovarius, Revolution Renaissance), Marko Hietala (Nightwish, Tarot, Northern Kings), Janne Joutsenniemi (Suburban Tribe), Tony Kakko (Sonata Arctica, Northern Kings) and Jarkko Ahola (Teräsbetoni, Northern Kings).