This piece from the Gregorian repertoire narrates, in a dramatic and poetic way, how the terrible day of universal judgement will be. It is the sequence of the requiem mass and the day of the faithful departed. It is also the most widely used Gregorian melody in secular music, including film. This is the first time in history, as far as we have records, that a performance of this piece is turned into an NFT. In addition, this NFT contains the only copy of the performance of the work. The file will be destroyed after mining, to make this NFT an absolutely unique piece.