ccMixter - ccMixter is a community remix site operated by ArtisTech Media, created by Creative Commons
Epidemic Sound - Website with licensed music to use in youtube videos
ecrett music - Royalty free music composer, powered by AI
Zapsplat - Zapsplat Royalty free music is a website that covers an extensive list of royalty-free music, making you download over 85000 sounds effects in a very format like Mp3, FLAC, M4A, WAV, ACC, and many others.
eoun.com - Eoun.com is an Audio Music Library with FREE licensed music.
SoundsCrate - SoundsCrate is one of the reliable websites that is designed to provide thousands of sound effects and royalty-free music, making you edit or create your own album.