Mastodon was a headliner at the Scion Rock Fest on February 28, 2009, performing a set containing three tracks from Crack the Skye, the first time these songs were played since being finalized and recorded.
Mastodon je bio glavni sastav na festivalu Scion Rock Fest 28. veljače 2009., svirajući tri skladbe s Crack the Skyea, što je bio prvi put da su te skladbe bile svirane nakon što su bile snimljene i dorađene.