Live... Gathered in Their Masses is a live album and film by the English heavy metal band Black Sabbath. It features performances from their 2013 world tour, recorded at Rod Laver Arena in Melbourne, Australia on 29 April and 1 May 2013. It was released 26 November 2013 as a CD, DVD, Blu-ray, and a deluxe box set.
The title is drawn from the opening line of "War Pigs".