Plainchant or plainsong, the traditional monodic chant of the Catholic Church, still uses a four-line stave, and in earlier music the number of lines used varied.
At least one company has a program that would allow fans watching from home to tap cheer, boo or chant buttons from their phones and the corresponding sounds would be played over loud speakers in the stadium.
And through writing chants down, the church could ensure, literally, that monks singing at the furthest outpost of the empire of Christendom, literally sang from the same hymn sheet.
European football's governing body UEFA says it will hold an inquiry following races chanting by Bulgarian fans during a march against England in Sofia.
One morning, as the charlatan and the foolish King were twirling their twigs, and hopping in circles, and chanting meaningless rhymes, a loud cackling reached the King's ears.
A joint march is a rather uneasy last-minute compromise to try to avoid the controversy caused last year by marches carrying racist banners and chanting anti-semitic slogans.