Having 25 of this year's entries in the same show is probably about 8 too many.
Arena headaches are absolutely no fun at all when you get stuck next to a fanboy who thinks the best way to encourage his favourite 15 songs is by screaming at them.
Ummm, that's about all I've got on that rehearsal from my vantage point. You may need to ask the others for some more 'helpful' insights. 🙂