NoCoyrightSounds is one of the best-known channels offering non-copyrighted music. You can download all the music for free and use it under your own YouTube videos or Twitch live streams as an example. You must indicate who the artist is and place a link to the video of that song.*
How to download:
Click on YouTube button in video example or click here to go to the channel.
Read the video description and click on the download link.