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
Rock music in Australia hard rock music the world over. From their humble beginnings, Scottish brothers Angus and Malcolm Young forged a hard-hitting, ball-breaking pub guitar sound, similar to Alex Harvey but tougher. When Bon Scott joined the band to lend his unique vocal talent, the band began their 'long way to the top', shooting to the top of the Australian rock scene in 1974–75 and their song "It's a Long Way to the Top (If You Wanna Rock 'n' Roll)". The band later achieved international success, especially with the release of their album "Highway to Hell". This was to be Bon Scott's last