Peter Clack January 1975 when he was sacked along with Bailey, Clack's permanent replacement was Phil Rudd. Prior to joining AC/DC, Clack had played with Bailey in Flake. As of November 2011 he played with Melbourne-based band Raw Sylke. He is now a drum teacher. Peter Clack Peter Clack is an Australian drummer – for ten months he was an early member of hard rock band AC/DC. In April 1974 he joined Malcolm Young (rhythm guitar), Angus Young (lead guitar), Dave Evans (lead vocals) and Rob Bailey (bass guitar). He appears in early video footage of AC/DC, the "Last Picture Show Theatre"
Angus Young he would begin using in 1977, was also used as a compressor and a booster in his signal to "fatten up" his tone. Ever since adding it to his rig, it was used on several albums in the studio for chosen rhythm guitar tracks and all lead guitar tracks. Beginning with "Rock or Bust", due to the discontinuation of the Schaffer system, Young began using a replica of the unit's preamp with a commercial wireless unit. Contrary to popular belief, Angus and Malcolm have both stated in guitar enthusiast magazine interviews that very little pre-gain, if any, is used on