AC/DC ( B5 )

 Like the Young brothers, Scott was born in Scotland and emigrated to Australia in his childhood. The band had recorded only one single with Evans, "Can I Sit Next to You, Girl" / "Rockin' in the Parlour"; the song was re-written and re-recorded with Bon Scott.By October 1974, AC/DC recorded their first studio album, High Voltage. It was released exclusively in Australia on 17 February 1975. It took only ten days and was based on instrumental songs written by the Young brothers, with lyrics added by Scott. Within a few months, the band's line-up had stabilised, featuring Scott, the Young brothers, bassist Mark Evans, and drummer Phil Rudd. Later that year they released the single "It's a Long Way to the Top", for which a well-known promotional video was made for the program Countdown, featuring the band miming the song on the back of a flatbed truck. AC/DC released their second studio album, T.N.T., on 1 December 1975, which was also released only in Australia and New Zealand.

AC/DC were scheduled to play at the 1975 Sunbury music festival; however, they went home without performing following an altercation with the management of headlining act Deep Purple.

Between 1974 and 1977, aided by regular appearances on Molly Meldrum's Countdown, the ABC's nationally broadcast pop-music television show, AC/DC became one of the most popular and successful acts in Australia. Their performance on 3 April 1977 was their last live TV appearance for more than 20 years.

International success (1976–1980)

Former vocalist Bon Scott (centre) pictured with guitarist Angus Young (left) and bassist Cliff Williams (back), performing at the Ulster Hall in August 1979

Browning sent promo material to contacts in London, which came to the attention of Phil Carson of Atlantic Records. In 1976, the band signed an international deal with Atlantic Records. On arrival in London, their scheduled tour with Back Street Crawler was cancelled following the death of Paul Kossoff. As a result, they went back to playing smaller venues to build a local following until their label organised the "Lock Up Your Daughters" tour sponsored by Sounds magazine, the only major music magazine which was still relatively receptive to traditional rock music. 

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