Premiumbeat - Premiumbeat.com provides high quality Royalty Free Music.
Incompetech - Royalty Free and Creative Commons Music Archive
ecrett music - Royalty free music composer, powered by AI
AIVA - The AI composing emotional soundtrack music
ccMixter - ccMixter is a community remix site operated by ArtisTech Media, created by Creative Commons
Audio Hero - Over 250,000 royalty free music & sound effects for videos