Malcolm Young his brother had been experiencing lapses in memory and concentration before the "Black Ice" project and had been receiving treatment during the Black Ice World Tour which ended in 2010. Angus confirmed that although his brother did not play on the 2014 "Rock or Bust" album: "He still likes his music. We make sure he has his Chuck Berry, a little Buddy Holly." He added that AC/DC would continue according to his brother's wishes and standards: "Look, even with his health, Malcolm was touring until he couldn't do it anymore." In that same interview, Angus stated that Malcolm was rehearsing
George Young (rock musician) duo with Vanda in 1970, as Vanda & Young, initially living in London. They provided pop and rock songs for other recording artists, and for themselves under various stage names: Paintbox, Tramp, Eddie Avana, Moondance, Haffy's Whiskey Sour, and Band of Hope. The pair worked with Young's elder brother Alex in Grapefruit. Young and Vanda returned to Sydney in 1973 where they worked for Ted Albert, at his Albert Productions recording studio to become the in house producers. One studio-based group, Marcus Hook Roll Band, was joined in 1974 by Young's brothers, Malcolm and Angus. The brothers had already formed