I don't listen to this kind of stuff at all but I have to congratulate you on this list. This seems like it took a lot of work to put together. I did check out a few of those songs simply because the cover art was so awesome. None of it was my thing but oh well. Depravity in particular has an awesome cover.
5/4 - Rob Zombie?
5/11 - Ghost
5/13 - Mastodon / Gojira
5/21 - Primus
6/28 - Iron Maiden / Ghost - Bergen, Norway