YouTube as Shazam: "Matched third-party content."
Your video may include the following copyrighted content:
"De Temps En Temps", musical composition administered by:
One or more music publishing rights collecting societies
Acknowledge to confirm that you have reviewed the claim(s) on your video. [Link: I acknowledge]
What does this mean?
Your video is still available worldwide. In some cases, ads may appear next to your video. Please note that the video's status can change, if the policies chosen by the content owners change. Learn more about copyright on YouTube.
This claim does not affect your account status.
[Link: I believe that this copyright claim is not valid.]