 The official debut "Waltzing Mephisto" contained a cover of the black metal anthem "Freezing Moon" (Mayhem) blended with Mike Oldfield's "Tubular Bells (The Exorcist)" and Italian 1970s prog band Il Balletto Di Bronzo's "Terzo Incontro", highlighting the band's inspiration with 1970s dark progressive rock music.This song is still considered to this day as one of the most appreciated covers in the extreme metal underground.Their following epic album "The Blow Of Furious Winds" contained yet another 1970s prog rock cover.