Forty Five minutes for Napalm is a bit too short if you ask me. I'd prefer forty five for Immolation, an hour for Napalm Death and an hour and ten minutes for Cannibal Corpse, and drop all the other openers.
08/23 - Alice in Chains
09/19 - Deafheaven
10/18 - King Diamond
11/01 - Suffocation
12/06 - Distant Worlds: the Music of Final Fantasy