What is the significance of the harmonic chord progression chart in understanding the structure and development of music compositions?

The harmonic chord progression chart is significant in understanding music compositions because it shows how chords are arranged and transitioned in a piece of music. By analyzing the chart, one can see the patterns and relationships between chords, which helps in understanding the overall structure and development of a composition. This insight can aid in composing music, analyzing existing pieces, and appreciating the complexity and beauty of musical works.