Hi (Your name)
This is just a heads up.
A Copyright owner using content ID claimed some material in your video.
Dont worry this will not affect your account and you aren't in trouble. The revenue from the ads on the video will now be going to the Copyright owner. They will be recving the stats of your video as well
Video title: Dont be Racist, stupid
Copyright content: Theme Song
Claimed by: Dats my Recored LLC