""Numerology and the Music of the Spheres"" is a book written by L. Dow Balliett that explores the relationship between numerology and music. The author argues that the principles of numerology can be applied to music, and that the two are intimately connected. The book delves into the idea that numbers have a vibrational quality that can be felt in music, and that certain numbers have specific meanings and correspondences in both numerology and music...