Gregorian Chant Notation This is a description of the
traditional 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, though it does have a rhythm of
groups of 2 or 3 notes. Vertical lines separate musical phrases
and may sometimes 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 now.  marks where Do is on the staff. Here it is on
the third line from the bottom, so if Do is on C then the lines
would go F-A-C-E.  would mean that Do is on the top line, so if
Do is on C the notes on the lines would be D-F-A-C.  is a Fah
Clef, and indicates where Fah is on the staff. Here, Do would be
on the bottom space.  The Neumes  Chant notation is on the left.
The modern equivalent is on th