The text is one of the oldest hymns in the Church, describing true brotherly love, the fruit of love for God, and has been sung to this tune every Holy Thursday during the rite of the washing of the feet since at least the 10th century. 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.