Roots of Sentenced

Charon are a Finnish gothic metal band from Raahe.

Samael is a Swiss metal band formed in Sion in 1987. Their current lineup includes founding members and brothers Vorphalack (Vorph) and Xytraguptor (Xy), guitarist Drop and bassist Ales. A few other members have been part of the band throughout the years: Rodolph H., Kaos, Mas and Makro.

Tiamat is a Swedish metal band founded near Stockholm in 1990 and led by Johan Edlund. To date they have released ten studio albums. The band went through a number of stylistic changes in their earlier releases before settling on gothic metal. Under Edlund's leadership, the band would modify their style with influences ranging from Black Sabbath, Mercyful Fate, Candlemass, Pink Floyd and King Crimson combined with Sumerian lyrical themes. H. P. Lovecraft's writings also appear to have influenced Tiamat's thematology, a development consistent with a broader trend in death metal culture.

Piece of Mind is the fourth studio album by English heavy metal band Iron Maiden. It was released on 16 May 1983 in the United Kingdom by EMI Records and in the United States by Capitol Records. It was the first album to feature drummer Nicko McBrain, who had recently left the band Trust.

"The Trooper" is a song by the English heavy metal band Iron Maiden, released as the second single on 20 June 1983 from the band's fourth studio album, Piece of Mind (1983). It was one of only a few Iron Maiden songs to achieve frequent radio airplay in the United States, peaking at No. 28 on the US Billboard Mainstream Rock.