"Rock or Bust" is the second single and first track from the album of the same name by Australian hard rock band AC/DC. It was written by Angus Young and Malcolm Young. It was released for downloads on 17 November 2014, as a follow-up for the band's first officially released single from the album titled "Play Ball". AC/DC drummer Phil Rudd was absent from the video shoot for the single, and was replaced by Welshman Bob Richards, who had previously played with Man, Adrian Smith, Asia and Shogun.