Digital copies of the Solfejo de Freitas Gazul are widely sought for educational use. They can often be found on academic and document-sharing platforms: : Often hosts full scans of Part I and II.

Transitions into more complex territory, including the C clef in various positions (Alto, Tenor, etc.).

It begins with "rezado" (spoken) solfege, focusing on the identification of notes in the Treble (G) and Bass (F) clefs.