What are the key findings and insights from the harmonic analysis of the Goldberg Variations?

The key findings and insights from the harmonic analysis of the Goldberg Variations reveal the intricate and sophisticated use of harmonic structures by Johann Sebastian Bach. The variations showcase a wide range of harmonic techniques, including intricate counterpoint, modulation to different keys, and the use of chromaticism. These elements contribute to the overall complexity and beauty of the piece, highlighting Bach's mastery of composition and harmonic innovation.