Question: What is the name of this heavy metal band from Copenhagen, formed in 1981, who were part of the album A Tribute to Judas Priest: Legends of Metal?
Related documents: [0]  [DOC] A Tribute to Judas Priest: Legends of Metal Vol. I and A Tribute to Judas Priest: Legends of Metal Vol. II are tribute albums, both released in 1997 by Century Media Records. It includes several rock and metal bands such as Helloween, Overkill, Saxon, Heavens Gate, Blind Guardian, Mercyful Fate, and Iced Earth, covering songs by British heavy metal band Judas Priest. Some of the songs included in this album have been previously released by the artists. [END] 
[1]  [DOC] Mercyful Fate is a Danish heavy metal band from Copenhagen, formed in 1981 by vocalist King Diamond and guitarist Hank Shermann. Influenced by progressive rock and hard rock, with lyrics dealing with Satan and the occult, Mercyful Fate were part of the first wave of black metal in the early to mid-1980s. Many of the bands from this movement went on to influence later black metal musicians in the 1990s, particularly in Norway. Since the band's inception in 1981, Mercyful Fate have released seven studio albums, two extended plays and four compilations. [END] 
Answer: 
Mercyful Fate
Mercyful Fate