1. Rhythm, rhythm, and rhyme level.

Human’s response to rhythm is the most common and primary response in music. For example, the beating of a person’s heart is rhythmic, and people’s daily life (such as walking) is also usually rhythmic.

2. Melody, tone, and line levels.

Melody is the factor closest to language and most expressive in music. In this regard, melody is the factor in music with the widest social acceptance besides rhythm.

3. Harmony, polyphony, and texture levels

The general development of human polyphonic music only happened in the past thousand years or so. The ability to appreciate polyphonic music was mainly developed after the thirteenth to fourteenth centuries.

4. Structure, level, and musical form level.

5. Style, artistic conception, and cultural level.