Obviously not the video but the accompanying audio track. Could also just be a made up apocryphal engineering story that never actually happened exactly as described. Engineering as a profession is chock full of them but they do tend to be memorable parables of things to keep in mind when working on a relevant piece of tech.

What is definitely well documented is Brendan Gregg’s related discovery of performance degradation in servers from vibration of sibling servers / clapping nearby that caused spinning disks to pause their heads.