Mastodon have announced that they will be releasing a live album. Live at the Aragon will be released on March 15 through Reprise Records and will feature the band performing 2009's Crack the Skye in its entirety as well as some songs from their back catalog. The album will come packaged with a DVD of the same set. The featured performance was recorded on October 17, 2009 at Chicago's Aragon Ballroom.

Mastodon has also announced that they are working on their yet-to-be-titled fifth LP.