Roots of Fairyland

Sonata Arctica is a Finnish power metal band from the town of Kemi. Created as a hard rock band named Tricky Beans, they later changed to Tricky Means and finally to Sonata Arctica, when they shifted to power metal. The current lineup consists of drummer Tommy Portimo, lead singer Tony Kakko, keyboardist Henrik Klingenberg, guitarist Elias Viljanen and bassist Pasi Kauppinen. All the musicians of the band's history except Portimo also acted as backing vocalists.

Kamelot is an American power metal band from Tampa, Florida, formed by Thomas Youngblood in 1987. The Norwegian vocalist Roy Khan joined for the album Siége Perilous, and shared songwriting credit with Youngblood until his departure in April 2011. On June 22, 2012, Youngblood announced on their website that their new vocalist would be the Swedish singer Tommy Karevik, who was first featured on Kamelot's album Silverthorn as the main vocalist, co-songwriter, and lyricist.

Leaves' Eyes is a symphonic metal band based in Germany, formed in 2003 by Liv Kristine and Alexander Krull (Atrocity). Kristine departed in 2016 and was succeeded by Elina Siirala. The band has released nine studio albums, a live album and DVD as well several singles and EPs.