canned music (Production Music) is also called copyright music. Making music is finished music, and it is protected by copyright. It can't be circulated casually. It is only used for commercial purposes, and it is generally not available outside, and it is generally difficult to download it on the Internet.

these music are mainly pure music, and each copyrighted music usually provides versions other than the original music, such as short seconds, accompaniment, different interpretation methods, etc., to meet different needs. Moreover, the copyright of copyrighted music is relatively simple, and it is owned or represented by a certain company, which saves the time of applying for a license from several companies, but it can use high-quality music at a reasonable price.

Advantages of canned music:

1. Just like canned food, you can eat it immediately without further processing;

2. Save money and worry more;

3. Each "canned music" has multiple versions, which can meet different needs. In its huge music warehouse, there are ready-made music corresponding to war movies, romance movies, science fiction movies, horror movies, comedies and so on, and a movie can find tens of thousands of choices.

Disadvantages of canned music:

1. There is only sound, and there is no musical theme that runs through and fits the plot;

2. There is no internal connection between paragraphs.