Mellotron will give you the full downlow, but I believe it is as simple as an octaver and two amps, essentially giving off the sound of two guitars by playing one.
Would absolutely agree on LG. Completely blown away by Rooting For You, check it out if you haven't already https://www.bbc.co.uk/events/ec584f/play/afvqwh/p056y6wx
Got back late last night and have logged onto NSC for the first time just now.
First time going to Glasto and it surpassed every single expectation I had. I'm a big live music fan but honestly, it felt secondary a lot of the time to the amount of special things going on around me constantly...