Music perception, music emotion, music understanding.

1. Music perception: the basis of music aesthetic ability, including the ability to listen and perceive music. Music perception ability helps people identify the basic elements of music such as pitch, timbre, rhythm, and dynamics.

2. Musical emotion: The core of music aesthetic experience, including emotional response and resonance to music. Musical emotion helps people understand the emotions and meanings expressed by music, thus creating passion. Ming.

3. Music understanding: understanding of music history, style, form and cultural background. Music understanding helps people better appreciate and understand music of different styles and backgrounds, and appreciate music from a multicultural perspective.