Artists like Gamma Ray

Edguy is a German power metal band formed in 1992 in Fulda by students Tobias Sammet, Jens Ludwig, Dominik Storch, and Dirk Sauer. Initially named after their math teacher, the band faced early rejections from record labels but persevered, releasing their unofficial debut album, Savage Poetry, in 1995. They gained wider recognition with their subsequent albums, including Kingdom of Madness (1997) and Vain Glory Opera (1998), featuring guest appearances from notable musicians. Over the years, Edguy has evolved their sound, with Sammet also launching the successful metal opera project Avantasia. The band has released multiple studio albums, including Age of the Joker (2011) and Space Police: Defenders of the Crown (2014), and has engaged in extensive touring.

Blind Guardian is a German power metal band formed in 1984 in Krefeld, West Germany. They are often credited as one of the seminal and most influential bands in the power metal and speed metal subgenres. Nine musicians have been part of the band's lineup throughout its history, which currently includes singer Hansi Kürsch, guitarists André Olbrich and Marcus Siepen, and, since 2005, drummer Frederik Ehmke.

Stratovarius is a Finnish power metal band formed in 1984. They have released sixteen studio albums, six DVDs, and six live albums. The band's line-up has changed many times, with no founding member left since the departure of drummer Tuomo Lassila in 1995, and no member from their early recording days left following guitarist Timo Tolkki's departure in 2008. Currently, the longest standing member is singer Timo Kotipelto, who joined in 1994.

Avantasia is a German supergroup metal opera project created by Tobias Sammet, vocalist of the band Edguy. It has been characterized as a rock opera, as it features the contributions of various vocalists and musicians and it consists of concept albums. The name is a blend of the words Avalon and fantasia ('fantasy') and describes "a world beyond human imagination".

Firewind is a Greek power metal band formed in Thessaloniki in 1998. The group is currently signed to AFM records and was originally a small project created by guitarist Gus G. to showcase his demo, Nocturnal Symphony, in 1998. Firewind later became a full band over three years later when they recorded their debut album, Between Heaven and Hell. To date, the band has released ten studio albums and has been met with international success.

Demons & Wizards was a power metal band conceived as a side-project by Blind Guardian vocalist Hansi Kürsch and Jon Schaffer, the guitarist for Iced Earth. Schaffer wrote the music and Kürsch wrote the lyrics. The band's line-up during the recording of their first album in 1999 featured Mark Prator, who was the drummer on a few Iced Earth albums, and Jim Morris, who has engineered for Iced Earth before, on lead guitar. The personnel for the second album, released in 2005, included Morris on lead guitar and Bobby Jarzombek on drums. The band released a third studio album, III, in 2020, and disbanded in early 2021.

Dream Evil is a Swedish heavy metal band, assembled by producer Fredrik Nordström in 1999. They have released seven studio albums.

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.