1 Street music - relies entirely on musical language, rather than borrowing any title to express the content of the work. It also has a title, such as "Sonata No. 1", but the title only refers to the genre of the music and does not indicate the content of the music. The listener will have a general understanding of the age, experience, world view, and background of the music that the composer is about to listen to. 2. Light music - refers to music that is lively, popular, and short in structure, as opposed to serious classical music. Appreciating light music does not require serious thinking and rational activities. It only provides people with beautiful enjoyment and cultivates people's sentiments.

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