Proposed various basic factors of musical performance: pitch, rhythm, beat, interval, chord pattern, key transposition, key transposition, key system, commonly used symbols, decorative tone, intensity and speed, melody form, staff notation, etc.< /p>

The theory of communicative musicality was proposed by Edwin Gordon in the United States

The theory of communicative musicality is expressed as a group activity, such as unison, chorus, ensemble, duet, ensemble, and song and dance performances. Waiting itself is a kind of cooperative performance, which requires each participant to regard himself as a member of the group and coordinate and cooperate with others. It is also a kind of interpersonal communication with music as a link.