This is a description of the Traditional Latin Mass Parish Gregorian Chant notation, so that
anyone will be able to read the notation and sing it.
Chant is written in neumes, which are notes sung on a single syllable.
Gregorian Chant has no meter at all. vertical lines separate musical phrases
and allow a pause for taking a breath, like
Chant is not in a major key or a minor key, but in modes (though there
are some modes which can sound like a modern scale).
Chant is written on a 4-line staff, instead of 5 lines as music is written on
marks where Do or C is on the staff. Here, it is on the third line from the
bottom, so the lines would go F-A-C-E.
would mean that Do is on the top line, so the notes on the lines would be
is a Fah Clef, and indicates where fah is on the staff. Here, Do would be on the
Chant notation is on the left. The modern equivalent is on the right.