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
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