It refers to the Publius Enigma, something that refers to how there is supposedly some kind of enigma hidden within the artwork, lyrics, and music of The Division Bell. No, a person in front of the cameraman blocked the rest of the message, in photos appear clearly "ENIGMAPUBLIUS" Publius said that he the messenger was unimportant.
Pink Floyd - High Hopes
It involved locating a missing key which was the piano note "D" and displacing this 'missing' note with two other singular notes C and C (in the final part of the piano) into three dots featured inside the booklet and on the spine of the CD cover. Played together the notes C and D on piano represent a basic example of what makes a piano cluster. Incidentally, the