Premiumbeat - Premiumbeat.com provides high quality Royalty Free Music.
Sample Focus - The easiest way to find the perfect audio sample
Incompetech - Royalty Free and Creative Commons Music Archive
Epidemic Sound - Website with licensed music to use in youtube videos
AIVA - The AI composing emotional soundtrack music
Mixkit Free Sound Effects - Mixkit Free Sound Effects is a website that is introduced for incredible free sound effects, making you use in your cinematic projects without any hurdle.