Input (grade 10): Their first album Bathory was released in 1984 and is "regarded by many as the first black metal record." The band's fourth album Blood Fire Death was released in 1988 and includes two early examples of Viking metal â "the songs" A Fine Day to Die "and" Blood Fire Death ".
Output (grade 8): Swedish metal band Bathory's fourth album, released in 1988 and called Blood Fire Death, was the first Viking metal album.