Hard as a Rock Hard as a Rock "Hard as a Rock" is a song and a single by the Australian hard rock band AC/DC. It features as the first track on their album, "Ballbreaker", released in 1995. It became their second No. 1 song on the Album Rock Tracks chart, following 1993's "Big Gun". Live performances are also included on three of AC/DC's live concert DVDs, "No Bull" (of which an audio version is found on the Australian tour edition of "Stiff Upper Lip"), "Stiff Upper Lip Live" and "Live At The Circus Krone", which is featured in the Deluxe Edition of the
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