Malcolm Young AC/DC had moved to Melbourne. In early 1977 they returned to Britain and began a European tour with Black Sabbath. While Bon Scott and Ozzy Osbourne quickly became friends, relations were less than cordial between the other members of the respective bands. In one incident, Geezer Butler pulled a knife on Malcolm Young. Towards the end of 1977, bassist Mark Evans was fired; purportedly to find someone who could sing backup vocals. Evans described disagreement with Angus and Malcolm as a contributing factor. He was replaced by Cliff Williams. In 1988, Young missed the majority of AC/DC's Blow Up Your
Hard rock "Double Live Gonzo!" (1978). From outside the United Kingdom and the United States, the Canadian trio Rush released three distinctively hard rock albums in 1974–75 ("Rush", "Fly by Night" and "Caress of Steel") before moving toward a more progressive sound with the 1976 album "2112". The Irish band Thin Lizzy, which had formed in the late 1960s, made their most substantial commercial breakthrough in 1976 with the hard rock album "Jailbreak" and their worldwide hit "The Boys Are Back in Town", which reached number 8 in the UK and number 12 in the US. Their style, consisting of two duelling