Yes - any random piece of wire should go through the slanted hole into the control cavity and then to an earth point like the casing of a tone control - leave some copper wire exposed So that it makes contact with underside of bridge
this is all do-able
I totally corpsed them first time through nerves, tho the guitarist who’d given me my first shot was very generous. I got up and did it again a few weeks later and stormed it
So as Norris says, you did quite well
You really shouldn’t be following the singer, is one thing I’d say. The repeated sections question is one I only solved by learning to count them
i think you’re criticising yourself far too much though.