Yes, there are libraries of copyright-free music that you can use at your disposal. These libraries offer copyright-free music that can be used in personal, commercial and creative projects. The following are some common copyright-free music resource libraries:

1. YouTube Music Library: YouTube provides a music library containing a large number of copyright-free music that can be used directly in the video editor. It includes various types of music for use in personal and commercial projects.

2. Copyright-free music websites: There are some websites that provide copyright-free music, such as Bensound, Epidemic Sound, NCS (No Copyright Sound), etc. These sites offer a wide variety of music for free or paid use, and specific licensing conditions and usage methods may vary.

3. Creative Commons: Creative Commons is a copyright agreement that allows artists and creators to share and license their works in different licensing methods. You can search for music through the Creative Commons website and find suitable music resources according to different licensing methods. Some works may require proper attribution, so please be sure to comply with the terms of the license agreement.

Please note that although these libraries offer copyright-free music, each library may have slightly different licensing terms and restrictions. Therefore, before using any music, make sure you understand and comply with the licensing terms, and make appropriate attributions or filings as required. In addition, if you want to use music in a commercial project, it is recommended to seek professional legal advice beforehand to ensure that your use complies with legal requirements.