Quotes from W.A. Mathieu

When you are clear about what you want to learn, you will find your teacher. The teacher is already there. The two of you will meet because you are looking for each other.

You need to be able to read music. For the last three parts you need to be able to play a keyboard instrument well enough to navigate at least most of the musical examples. It helps to have previously investigated the overtone series, or be ready to (the text helps you). Also, the more you are in the habit of listening to the music of the world's various cultures, the more insight you will bring to this study.

The Voice Chamber hatches a new and healthy experience of the vibrational universe