Hey there. While we can't share specifics, here are a few FAQ's about how Copyright works: https://yt.be/help/5ZYm . Note that copyright strikes, if any, would affect your YPP application. Hope this clarifies.
I haven't monetized my channel yet. I haven't reached the 4k watch hours. But when i apply for monetization di you think I will get approved? Because I have a 16 seconds intro with someone else's music in it