You can find discussions and citations of this work in several academic contexts:

Data on labels and specific recordings.

The work serves as an "encyclopedia" of Brazilian song, organizing 85 years of music history into two distinct periods:

This work is frequently cited in research papers for its rigorous classification of songs. Each year is analyzed through five specific lenses:

Covers the origins from modinhas and lundus to the "Golden Age" of radio and early Bossa Nova.