If you can or provide the link where you found the video, I can help you pinpoint the exact track.
To identify the specific music piece, you can use these tools:
You can identify music with the Shazam extension while the video is playing in your browser.
If you are watching on a phone, use the Music Recognition button in Control Center on iPhone or the Shazam app to "listen" while the video plays.
Identify Songs Online - Music Recognition Online - AHA Music