Pretty obvious 8min video uploading, another person recorded more on later rounds...
https://www.youtube.com/watch?v=LKPjZ5b9fD4

first 30s uploaded for expediancy

~8min will be finished in ~2hrs  
https://www.youtube.com/watch?v=LKPjZ5b9fD4

And someone else's recording of a later round...
https://www.youtube.com/watch?v=ZPsOlvvXmME&feature=youtu.be

Snapshot