5 websites to get free music and sounds for commercial use

This website includes over 1000 music files nicely categorized, with previews and information about authors. All files are under the CC0 license.

This is a website with a huge collection of free music from various historical periods. Most of the files are public domain or CC0, but it does have files with other variants of Creative Commons licenses. You can search by license and select only a Public Domain license.

This is a huge collection of free music and sounds, and it features file under various Creative Commons licenses, with CC0 having over 22000 files. To search for CC0 files, use CC0 in the search field.

Like most of the other websites on this list, it offers various versions of Creative Commons licensed music, with ability to filter only Public Domain licenses files.

Pixabay has a well-rounded offer that includes all types of media, including music.