George Young (rock musician) a hard rock group, AC/DC, in 1973. Young helped them with AC/DC, which went on to become a success internationally. He declared to his brothers "that he didn't believe a band can ever call itself a band until it's done at least "200" gigs". With Vanda he co-produced AC/DC's early albums, "High Voltage" (1975), "T.N.T." (1975), "High Voltage" (1976), "Dirty Deeds Done Dirt Cheap" (1976), "Let There Be Rock" (1977) and "Powerage" (1978). Young briefly played as AC/DC's bass guitarist for a short stint, early in their career. He produced AC/DC's 2000 album, "Stiff Upper Lip". Malcolm was replaced in
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