Tracks A1 and A2 were originally released as the Bactherion - The Miracle Of Death demo cassette. Recorded in July 1991 at the rehearsal studio (Senofila -Lisbon / Pavilhão Vagimno-desportivo da Brandoa) on a 4-track Fostex tape recorder. Tracks A3 to B4 were originally released as the Filii Nigrantium Infernalium - Os Metodos Do Pentagrama demo cassette. Recorded in 1992 at the Heaven Sound studios in Almada.
