To all of which I would say - lighten up and don't fret (Hah!).

For those people who know fuck all about the workings of the machines in question, it's fairly enlightening. A lot of it is tongue in cheek and he seems an amiable enough guy (who actually has more engineering knowledge than you might think). Also a decent cello player.

I found it all quite relaxing - just a bit of innocent fun - and didn't fall asleep once. And the end wasn't shot first before the guitar was pulled apart (I happen to know someone on the production team).