The first part.

Phi.
A musical staff in white mensural notation with a C-clef on the second line and diamond-shaped notes.

sol sol la sol la fa sol fa mi sol la sol.

Ma. This is well sung. Now here be diverse other examples of plainsong, which you may sing by yourself.

A musical staff with a C-clef on the third line, featuring a flat symbol and diamond-shaped notes.

sol fa fa sol fa fa la sol sol fa la la sol fa mi la la sol.

A musical staff with a G-clef (treble) at the beginning and diamond-shaped notes.

fa sol la fa sol la sol fa fa sol la fa sol la fa sol sol fa.

A musical staff with a C-clef on the fourth line, including a flat symbol and diamond-shaped notes.

fa sol sol la sol fa sol fa fa la fa sol fa fa mi fa.

A musical staff with a G-clef and a flat symbol, featuring diamond-shaped notes.

sol la la sol fa la fa sol la sol sol fa sol la la sol.

To know the Cliffes clefs in these eight examples.

A musical staff with an F-clef (bass) at the beginning and diamond-shaped notes.

sol fa mi fa sol sol sol fa la sol la fa mi la sol.

To know the first note in these eight examples.

A musical staff with a G-clef and a flat symbol, featuring diamond-shaped notes.

sol sol la sol fa mi fa sol la fa sol fa sol la fa mi la sol.

A musical staff with a G-clef and a flat symbol, featuring diamond-shaped notes.

sol sol sol mi la fa mi la sol sol fa la sol fa mi sol la sol.

A musical staff with an F-clef and a flat symbol, featuring diamond-shaped notes.

sol fa sol la sol fa fa la sol fa mi la sol fa la sol.