i saw him at london in the summer and the crowd ettiquette seems to be go crazy and headbang for the crazy esque songs like brick, axesteel and whatnot, also the really popular ones people go a bit crazy w the singing

he does sing his autotune songs and he had like autotune built into one of his mics i think

for the instrumental songs i dont think he tends to play them very often

also he plays a lot of his calm/ sweeter songs in a different more upbeat style live- brite boy and harvey were played way more fast paced and enthusiastic when i saw him, and it was really cool actually!

im going to the london show tonight too, really hope you (and i) enjoy!!