↑Jurek, Thom. “Once More 'Round the Sun – Mastodon”. AllMusic. 2015년 8월 9일에 확인함. This set marks a fork in the road where Mastodon evolves once more, to cross over from metal's angular, sludgy power to adrenaline-fueled, hook-laden, hard rock.
↑Camp, Zoe (2014년 6월 25일). “Mastodon: Once More 'Round the Sun”. Pitchfork Media. 2015년 8월 9일에 확인함. For two records now, Mastodon have jettisoned the overarching concepts of old for a simpler mission: to be a hard rock band making hard rock records.