Roots of Judas Priest

Kat is a Polish heavy metal band formed in Katowice in 1979.

Triumph is a Canadian rock band formed in 1975 that was popular during the late 1970s and the 1980s, building on their reputation and success as a live band. Between its 16 albums and DVDs, the band has received 18 gold and nine platinum awards in Canada and the United States. They were nominated for multiple Juno Awards, including the "Group of the Year Award" in 1979, 1985, 1986 and 1987. They were inducted into the Canadian Music Industry Hall of Fame in 2007, the Canadian Music Hall of Fame in 2008 and Canada's Walk of Fame in 2019.

Van Halen was an American rock band formed in Pasadena, California, in 1972. Credited with restoring hard rock to the forefront of the music scene, Van Halen was known for their energetic live performances and the virtuosity of their guitarist, Eddie Van Halen.

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.

Whitesnake were an English rock band formed in London in 1978. The group originated as the backing band for singer David Coverdale, who had recently left Deep Purple. Though the band quickly developed their own entity, Coverdale was the only constant member throughout their history.