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
Boss (Australian band) Marlowe on bass guitar (ex-Heaven) disbanded. In the following year Csongrady, Heckenberg and Pratt founded another hard rock group, BB Steal, in Sydney. In 2003 Csongrady co-wrote "United Forever", the theme song for Adelaide United FC. Boss (Australian band) Boss were a hard rock band, which formed in 1979 in Adelaide. Long term members were Craig Csongrady on lead vocals and Kevin Pratt on lead guitar. The group issued a sole album, "Step on It", in October 1984 before disbanding in 1986. Three members from the final line-up, Csongrady, Pratt and Peter Heckenberg (drums), founded another hard rock group, BB