The by Gerónimo Baqueiro Foster is a definitive pedagogical resource for music theory and vocal training. This guide outlines how to use the material and where to access digital versions for study. Guide to the Baqueiro Foster Method
What is your current (beginner, intermediate, or advanced)? Which specific volume of the course are you focusing on? Are you practicing spoken solfège or sung solfège ?
The music education world has largely moved toward digital, so why is this classic text lagging behind?