Since YouTube has become mainstream for many users and offers a wide range of tutorial videos, it can be used when it comes to learning, teaching, etc.(applicable for both video and audio clips/videos)
But that’s not the conclusion of it, In fact, there are certain fair practices that you can start before thinking of downloading any YouTube video. The company believes that the videos that are posted on the platform are solely its property and that fair use should be streaming videos as and when required.