Originally Posted by WOLVERINEKILLS
Not sure but didn't Mastodon/MH play Pops seperately at the end of 2012/start of 2013? If so I doubt they play there again this soon. Just a guess...
Yeah Mastodon played Pop's late 2011. Machine Head played early 2012. I know STL was one of the dates MH had to cancel on the Dethklok tour... We'll see what happens.