MASTODON is one of the most successful and innovative metal bands of the past 20 years. Now, as they release their seventh studio album, Emperor of Sand, we debate the band’s discography. Guest co-host Calum Slingerland, journalist for Exclaim and others, joins host Sam Dunn to rank the bands records and determine the Best Mastodon Album ever. Join the debate LIVE Thursday March 30 at 4PM Eastern!