In the public loo off the elevators on Deck 11-Fore, which has four urinals and three commodes, all Vacuum-Suction, which if activated one after the other in rapid succession produce a cumulative sound that is exactly like the climactic Db-G# melisma at the end of the 1983 Vienna Boys Choir’s seminal recording of the medievally lugubrious Tenebrae Factae Sunt.