Power Up is a studio album by AC/DC, released on November 13, 2020. It marks the return of vocalist Brian Johnson, drummer Phil Rudd and bassist Cliff Williams, all of whom left AC/DC before, during, or after the supporting tour for their previous album Rock or Bust (2014).[7][8][9][10][11][12] This is also the band's first album since the death of co-founder and rhythm guitarist Malcolm Young in 2017 and serves as a tribute to him, according to his brother Angus.