BDM probly won't happen unless they worded it wrong and BTBAM would be the opener.
I may or may not go since CoB's sets only seem to get weaker with more from the 2 most recent albums, and I'm not a fan of BTBAM or BDM
4/11 Fear FestEvil w/ High on Fire
4/17 Electric Fucking Wizard
4/28 Mastodong/Clutch/Big Biz