: Rameau argued that every chord has a "root" or fundamental note, regardless of which note is in the bass. This allowed for the identification of a core harmonic identity.
: He was the first to formalize that a chord like is the same entity as Treatise on Harmony
: Introduces the practical application of his theories, explaining the fundamental bass, modes, and the rules governing chords. : Rameau argued that every chord has a
: He established the "natural" relationship between chords, particularly the movement between the tonic and the dominant , which remains the backbone of most Western music today. Structural Breakdown explaining the fundamental bass