Thanks for reaching out. Our Help Center article on what kind of content can be monetized give you more insights on it: https://goo.gl/qK253o . Hope this helps.
@TeamYouTube How to enable copyright videos for monitization ?
My channel monitization is on now
Thank You 
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
YouTuber
: Sharif Banda